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Finding the Fourth Proportional to 18,039.95, 24,892.98 and 9,972.52

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Solution

The fourth proportional to 18,039.95, 24,892.98 and 9,972.52 is: 13,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.95 : 24,892.98 = 9,972.52 : x
  2. Step 2: Convert to fraction form
    18,039.95/24,892.98 = 9,972.52/x
  3. Step 3: Cross multiply
    18,039.95x = 24,892.98 × 9,972.52
  4. Step 4: Simplify right side
    18,039.95x = 248,245,641.28
  5. Step 5: Solve for x
    x = 248,245,641.28/18,039.95
  6. Step 6: Final answer
    x = 13,760.88

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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.