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Finding the Fourth Proportional to 63,586.84, 87,760.70 and 36,724.52

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Solution

The fourth proportional to 63,586.84, 87,760.70 and 36,724.52 is: 50,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,586.84 : 87,760.70 = 36,724.52 : x
  2. Step 2: Convert to fraction form
    63,586.84/87,760.70 = 36,724.52/x
  3. Step 3: Cross multiply
    63,586.84x = 87,760.70 × 36,724.52
  4. Step 4: Simplify right side
    63,586.84x = 3,222,969,582.36
  5. Step 5: Solve for x
    x = 3,222,969,582.36/63,586.84
  6. Step 6: Final answer
    x = 50,686.11

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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.