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Finding the Fourth Proportional to 18,044.13, 24,901.07 and 9,977.68

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Solution

The fourth proportional to 18,044.13, 24,901.07 and 9,977.68 is: 13,769.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,044.13 : 24,901.07 = 9,977.68 : x
  2. Step 2: Convert to fraction form
    18,044.13/24,901.07 = 9,977.68/x
  3. Step 3: Cross multiply
    18,044.13x = 24,901.07 × 9,977.68
  4. Step 4: Simplify right side
    18,044.13x = 248,454,795.98
  5. Step 5: Solve for x
    x = 248,454,795.98/18,044.13
  6. Step 6: Final answer
    x = 13,769.29

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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.