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Finding the Fourth Proportional to 54,792.70, 82,132.35 and 29,779.90

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Solution

The fourth proportional to 54,792.70, 82,132.35 and 29,779.90 is: 44,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,792.70 : 82,132.35 = 29,779.90 : x
  2. Step 2: Convert to fraction form
    54,792.70/82,132.35 = 29,779.90/x
  3. Step 3: Cross multiply
    54,792.70x = 82,132.35 × 29,779.90
  4. Step 4: Simplify right side
    54,792.70x = 2,445,893,169.77
  5. Step 5: Solve for x
    x = 2,445,893,169.77/54,792.70
  6. Step 6: Final answer
    x = 44,639.03

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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.