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Finding the Fourth Proportional to 60,787.31, 83,894.09 and 36,907.70

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Solution

The fourth proportional to 60,787.31, 83,894.09 and 36,907.70 is: 50,937.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,787.31 : 83,894.09 = 36,907.70 : x
  2. Step 2: Convert to fraction form
    60,787.31/83,894.09 = 36,907.70/x
  3. Step 3: Cross multiply
    60,787.31x = 83,894.09 × 36,907.70
  4. Step 4: Simplify right side
    60,787.31x = 3,096,337,301.48
  5. Step 5: Solve for x
    x = 3,096,337,301.48/60,787.31
  6. Step 6: Final answer
    x = 50,937.24

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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.