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Finding the Fourth Proportional to 23,010.70, 34,516.05 and 8,220.10

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Solution

The fourth proportional to 23,010.70, 34,516.05 and 8,220.10 is: 12,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,010.70 : 34,516.05 = 8,220.10 : x
  2. Step 2: Convert to fraction form
    23,010.70/34,516.05 = 8,220.10/x
  3. Step 3: Cross multiply
    23,010.70x = 34,516.05 × 8,220.10
  4. Step 4: Simplify right side
    23,010.70x = 283,725,382.61
  5. Step 5: Solve for x
    x = 283,725,382.61/23,010.70
  6. Step 6: Final answer
    x = 12,330.15

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Half scale
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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.