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Finding the Fourth Proportional to 56,463.89, 84,801.14 and 49,711.88

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Solution

The fourth proportional to 56,463.89, 84,801.14 and 49,711.88 is: 74,660.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,463.89 : 84,801.14 = 49,711.88 : x
  2. Step 2: Convert to fraction form
    56,463.89/84,801.14 = 49,711.88/x
  3. Step 3: Cross multiply
    56,463.89x = 84,801.14 × 49,711.88
  4. Step 4: Simplify right side
    56,463.89x = 4,215,624,048.03
  5. Step 5: Solve for x
    x = 4,215,624,048.03/56,463.89
  6. Step 6: Final answer
    x = 74,660.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.