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Finding the Fourth Proportional to 59,435.59, 82,029.52 and 36,781.87

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Solution

The fourth proportional to 59,435.59, 82,029.52 and 36,781.87 is: 50,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,435.59 : 82,029.52 = 36,781.87 : x
  2. Step 2: Convert to fraction form
    59,435.59/82,029.52 = 36,781.87/x
  3. Step 3: Cross multiply
    59,435.59x = 82,029.52 × 36,781.87
  4. Step 4: Simplify right side
    59,435.59x = 3,017,199,262.77
  5. Step 5: Solve for x
    x = 3,017,199,262.77/59,435.59
  6. Step 6: Final answer
    x = 50,764.19

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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.