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Finding the Fourth Proportional to 43,566, 60,139.50 and 29,437.98

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Solution

The fourth proportional to 43,566, 60,139.50 and 29,437.98 is: 40,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,566 : 60,139.50 = 29,437.98 : x
  2. Step 2: Convert to fraction form
    43,566/60,139.50 = 29,437.98/x
  3. Step 3: Cross multiply
    43,566x = 60,139.50 × 29,437.98
  4. Step 4: Simplify right side
    43,566x = 1,770,385,398.21
  5. Step 5: Solve for x
    x = 1,770,385,398.21/43,566
  6. Step 6: Final answer
    x = 40,636.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.