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Finding the Fourth Proportional to 40,391.92, 60,598.14 and 14,097.16

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Solution

The fourth proportional to 40,391.92, 60,598.14 and 14,097.16 is: 21,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.92 : 60,598.14 = 14,097.16 : x
  2. Step 2: Convert to fraction form
    40,391.92/60,598.14 = 14,097.16/x
  3. Step 3: Cross multiply
    40,391.92x = 60,598.14 × 14,097.16
  4. Step 4: Simplify right side
    40,391.92x = 854,261,675.28
  5. Step 5: Solve for x
    x = 854,261,675.28/40,391.92
  6. Step 6: Final answer
    x = 21,149.32

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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.