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Finding the Fourth Proportional to 7,168.55, 9,892.05 and 4,024.13

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Solution

The fourth proportional to 7,168.55, 9,892.05 and 4,024.13 is: 5,552.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.55 : 9,892.05 = 4,024.13 : x
  2. Step 2: Convert to fraction form
    7,168.55/9,892.05 = 4,024.13/x
  3. Step 3: Cross multiply
    7,168.55x = 9,892.05 × 4,024.13
  4. Step 4: Simplify right side
    7,168.55x = 39,806,845.71
  5. Step 5: Solve for x
    x = 39,806,845.71/7,168.55
  6. Step 6: Final answer
    x = 5,552.99

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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.