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Finding the Fourth Proportional to 29,113, 40,179.18 and 17,935

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Solution

The fourth proportional to 29,113, 40,179.18 and 17,935 is: 24,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,113 : 40,179.18 = 17,935 : x
  2. Step 2: Convert to fraction form
    29,113/40,179.18 = 17,935/x
  3. Step 3: Cross multiply
    29,113x = 40,179.18 × 17,935
  4. Step 4: Simplify right side
    29,113x = 720,613,593.30
  5. Step 5: Solve for x
    x = 720,613,593.30/29,113
  6. Step 6: Final answer
    x = 24,752.30

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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.