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Finding the Fourth Proportional to 38,373.04, 57,565.24 and 12,069.04

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Solution

The fourth proportional to 38,373.04, 57,565.24 and 12,069.04 is: 18,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,373.04 : 57,565.24 = 12,069.04 : x
  2. Step 2: Convert to fraction form
    38,373.04/57,565.24 = 12,069.04/x
  3. Step 3: Cross multiply
    38,373.04x = 57,565.24 × 12,069.04
  4. Step 4: Simplify right side
    38,373.04x = 694,757,184.17
  5. Step 5: Solve for x
    x = 694,757,184.17/38,373.04
  6. Step 6: Final answer
    x = 18,105.35

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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.