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Finding the Fourth Proportional to 57,035.76, 85,565.85 and 17,057.88

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Solution

The fourth proportional to 57,035.76, 85,565.85 and 17,057.88 is: 25,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,035.76 : 85,565.85 = 17,057.88 : x
  2. Step 2: Convert to fraction form
    57,035.76/85,565.85 = 17,057.88/x
  3. Step 3: Cross multiply
    57,035.76x = 85,565.85 × 17,057.88
  4. Step 4: Simplify right side
    57,035.76x = 1,459,572,001.40
  5. Step 5: Solve for x
    x = 1,459,572,001.40/57,035.76
  6. Step 6: Final answer
    x = 25,590.47

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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.