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Finding the Fourth Proportional to 10,080.71, 15,123.50 and 9,913.34

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Solution

The fourth proportional to 10,080.71, 15,123.50 and 9,913.34 is: 14,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.71 : 15,123.50 = 9,913.34 : x
  2. Step 2: Convert to fraction form
    10,080.71/15,123.50 = 9,913.34/x
  3. Step 3: Cross multiply
    10,080.71x = 15,123.50 × 9,913.34
  4. Step 4: Simplify right side
    10,080.71x = 149,924,397.49
  5. Step 5: Solve for x
    x = 149,924,397.49/10,080.71
  6. Step 6: Final answer
    x = 14,872.40

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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.