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Finding the Fourth Proportional to 59,557.71, 82,228.11 and 36,920.79

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Solution

The fourth proportional to 59,557.71, 82,228.11 and 36,920.79 is: 50,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,557.71 : 82,228.11 = 36,920.79 : x
  2. Step 2: Convert to fraction form
    59,557.71/82,228.11 = 36,920.79/x
  3. Step 3: Cross multiply
    59,557.71x = 82,228.11 × 36,920.79
  4. Step 4: Simplify right side
    59,557.71x = 3,035,926,781.41
  5. Step 5: Solve for x
    x = 3,035,926,781.41/59,557.71
  6. Step 6: Final answer
    x = 50,974.54

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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.