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Finding the Fourth Proportional to 8,880.92, 12,259.18 and 5,343.44

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Solution

The fourth proportional to 8,880.92, 12,259.18 and 5,343.44 is: 7,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.92 : 12,259.18 = 5,343.44 : x
  2. Step 2: Convert to fraction form
    8,880.92/12,259.18 = 5,343.44/x
  3. Step 3: Cross multiply
    8,880.92x = 12,259.18 × 5,343.44
  4. Step 4: Simplify right side
    8,880.92x = 65,506,192.78
  5. Step 5: Solve for x
    x = 65,506,192.78/8,880.92
  6. Step 6: Final answer
    x = 7,376.06

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.