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Finding the Fourth Proportional to 58,565.52, 80,814.67 and 34,687.58

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Solution

The fourth proportional to 58,565.52, 80,814.67 and 34,687.58 is: 47,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,565.52 : 80,814.67 = 34,687.58 : x
  2. Step 2: Convert to fraction form
    58,565.52/80,814.67 = 34,687.58/x
  3. Step 3: Cross multiply
    58,565.52x = 80,814.67 × 34,687.58
  4. Step 4: Simplify right side
    58,565.52x = 2,803,265,330.80
  5. Step 5: Solve for x
    x = 2,803,265,330.80/58,565.52
  6. Step 6: Final answer
    x = 47,865.46

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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.