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Finding the Fourth Proportional to 8,049,644.70, 12,074,467.05 and 7,253,382.30

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Solution

The fourth proportional to 8,049,644.70, 12,074,467.05 and 7,253,382.30 is: 10,880,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049,644.70 : 12,074,467.05 = 7,253,382.30 : x
  2. Step 2: Convert to fraction form
    8,049,644.70/12,074,467.05 = 7,253,382.30/x
  3. Step 3: Cross multiply
    8,049,644.70x = 12,074,467.05 × 7,253,382.30
  4. Step 4: Simplify right side
    8,049,644.70x = 87,580,725,582,403.22
  5. Step 5: Solve for x
    x = 87,580,725,582,403.22/8,049,644.70
  6. Step 6: Final answer
    x = 10,880,073.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.