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Finding the Fourth Proportional to 62,754.84, 93,578.67 and 54,045.72

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Solution

The fourth proportional to 62,754.84, 93,578.67 and 54,045.72 is: 80,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,754.84 : 93,578.67 = 54,045.72 : x
  2. Step 2: Convert to fraction form
    62,754.84/93,578.67 = 54,045.72/x
  3. Step 3: Cross multiply
    62,754.84x = 93,578.67 × 54,045.72
  4. Step 4: Simplify right side
    62,754.84x = 5,057,526,596.79
  5. Step 5: Solve for x
    x = 5,057,526,596.79/62,754.84
  6. Step 6: Final answer
    x = 80,591.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.