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Finding the Fourth Proportional to 17,737.82, 24,478.10 and 9,780.04

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Solution

The fourth proportional to 17,737.82, 24,478.10 and 9,780.04 is: 13,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,737.82 : 24,478.10 = 9,780.04 : x
  2. Step 2: Convert to fraction form
    17,737.82/24,478.10 = 9,780.04/x
  3. Step 3: Cross multiply
    17,737.82x = 24,478.10 × 9,780.04
  4. Step 4: Simplify right side
    17,737.82x = 239,396,797.12
  5. Step 5: Solve for x
    x = 239,396,797.12/17,737.82
  6. Step 6: Final answer
    x = 13,496.40

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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.