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Finding the Fourth Proportional to 62,872.61, 86,776.52 and 36,033.10

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Solution

The fourth proportional to 62,872.61, 86,776.52 and 36,033.10 is: 49,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,872.61 : 86,776.52 = 36,033.10 : x
  2. Step 2: Convert to fraction form
    62,872.61/86,776.52 = 36,033.10/x
  3. Step 3: Cross multiply
    62,872.61x = 86,776.52 × 36,033.10
  4. Step 4: Simplify right side
    62,872.61x = 3,126,827,113.82
  5. Step 5: Solve for x
    x = 3,126,827,113.82/62,872.61
  6. Step 6: Final answer
    x = 49,732.74

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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.