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Finding the Fourth Proportional to 61,787.96, 85,265.10 and 33,493.04

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Solution

The fourth proportional to 61,787.96, 85,265.10 and 33,493.04 is: 46,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,787.96 : 85,265.10 = 33,493.04 : x
  2. Step 2: Convert to fraction form
    61,787.96/85,265.10 = 33,493.04/x
  3. Step 3: Cross multiply
    61,787.96x = 85,265.10 × 33,493.04
  4. Step 4: Simplify right side
    61,787.96x = 2,855,787,404.90
  5. Step 5: Solve for x
    x = 2,855,787,404.90/61,787.96
  6. Step 6: Final answer
    x = 46,219.16

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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.