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Finding the Fourth Proportional to 61,394.40, 92,119.55 and 29,787.40

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Solution

The fourth proportional to 61,394.40, 92,119.55 and 29,787.40 is: 44,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,394.40 : 92,119.55 = 29,787.40 : x
  2. Step 2: Convert to fraction form
    61,394.40/92,119.55 = 29,787.40/x
  3. Step 3: Cross multiply
    61,394.40x = 92,119.55 × 29,787.40
  4. Step 4: Simplify right side
    61,394.40x = 2,744,001,883.67
  5. Step 5: Solve for x
    x = 2,744,001,883.67/61,394.40
  6. Step 6: Final answer
    x = 44,694.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.