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Finding the Fourth Proportional to 43,425.76, 65,024.44 and 34,947.18

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Solution

The fourth proportional to 43,425.76, 65,024.44 and 34,947.18 is: 52,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,425.76 : 65,024.44 = 34,947.18 : x
  2. Step 2: Convert to fraction form
    43,425.76/65,024.44 = 34,947.18/x
  3. Step 3: Cross multiply
    43,425.76x = 65,024.44 × 34,947.18
  4. Step 4: Simplify right side
    43,425.76x = 2,272,420,721.71
  5. Step 5: Solve for x
    x = 2,272,420,721.71/43,425.76
  6. Step 6: Final answer
    x = 52,328.87

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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.