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Finding the Fourth Proportional to 60,555, 83,565.90 and 34,059

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Solution

The fourth proportional to 60,555, 83,565.90 and 34,059 is: 47,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,555 : 83,565.90 = 34,059 : x
  2. Step 2: Convert to fraction form
    60,555/83,565.90 = 34,059/x
  3. Step 3: Cross multiply
    60,555x = 83,565.90 × 34,059
  4. Step 4: Simplify right side
    60,555x = 2,846,170,988.10
  5. Step 5: Solve for x
    x = 2,846,170,988.10/60,555
  6. Step 6: Final answer
    x = 47,001.42

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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.