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Finding the Fourth Proportional to 67,787.79, 93,537.15 and 37,572.98

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Solution

The fourth proportional to 67,787.79, 93,537.15 and 37,572.98 is: 51,845.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,787.79 : 93,537.15 = 37,572.98 : x
  2. Step 2: Convert to fraction form
    67,787.79/93,537.15 = 37,572.98/x
  3. Step 3: Cross multiply
    67,787.79x = 93,537.15 × 37,572.98
  4. Step 4: Simplify right side
    67,787.79x = 3,514,469,466.21
  5. Step 5: Solve for x
    x = 3,514,469,466.21/67,787.79
  6. Step 6: Final answer
    x = 51,845.17

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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.