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Finding the Fourth Proportional to 29,442.80, 44,063.40 and 17,764.40

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Solution

The fourth proportional to 29,442.80, 44,063.40 and 17,764.40 is: 26,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,442.80 : 44,063.40 = 17,764.40 : x
  2. Step 2: Convert to fraction form
    29,442.80/44,063.40 = 17,764.40/x
  3. Step 3: Cross multiply
    29,442.80x = 44,063.40 × 17,764.40
  4. Step 4: Simplify right side
    29,442.80x = 782,759,862.96
  5. Step 5: Solve for x
    x = 782,759,862.96/29,442.80
  6. Step 6: Final answer
    x = 26,585.78

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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.