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Finding the Fourth Proportional to 18,023.46, 24,871.20 and 9,957.08

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Solution

The fourth proportional to 18,023.46, 24,871.20 and 9,957.08 is: 13,740.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.46 : 24,871.20 = 9,957.08 : x
  2. Step 2: Convert to fraction form
    18,023.46/24,871.20 = 9,957.08/x
  3. Step 3: Cross multiply
    18,023.46x = 24,871.20 × 9,957.08
  4. Step 4: Simplify right side
    18,023.46x = 247,644,469.04
  5. Step 5: Solve for x
    x = 247,644,469.04/18,023.46
  6. Step 6: Final answer
    x = 13,740.12

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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.