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Finding the Fourth Proportional to 67,439, 93,065.82 and 37,631

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Solution

The fourth proportional to 67,439, 93,065.82 and 37,631 is: 51,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,439 : 93,065.82 = 37,631 : x
  2. Step 2: Convert to fraction form
    67,439/93,065.82 = 37,631/x
  3. Step 3: Cross multiply
    67,439x = 93,065.82 × 37,631
  4. Step 4: Simplify right side
    67,439x = 3,502,159,872.42
  5. Step 5: Solve for x
    x = 3,502,159,872.42/67,439
  6. Step 6: Final answer
    x = 51,930.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.