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Finding the Fourth Proportional to 41,407.20, 62,110.80 and 28,941.30

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Solution

The fourth proportional to 41,407.20, 62,110.80 and 28,941.30 is: 43,411.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,407.20 : 62,110.80 = 28,941.30 : x
  2. Step 2: Convert to fraction form
    41,407.20/62,110.80 = 28,941.30/x
  3. Step 3: Cross multiply
    41,407.20x = 62,110.80 × 28,941.30
  4. Step 4: Simplify right side
    41,407.20x = 1,797,567,296.04
  5. Step 5: Solve for x
    x = 1,797,567,296.04/41,407.20
  6. Step 6: Final answer
    x = 43,411.95

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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.