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Finding the Fourth Proportional to 43,663.40, 60,207.90 and 29,491.64

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Solution

The fourth proportional to 43,663.40, 60,207.90 and 29,491.64 is: 40,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,663.40 : 60,207.90 = 29,491.64 : x
  2. Step 2: Convert to fraction form
    43,663.40/60,207.90 = 29,491.64/x
  3. Step 3: Cross multiply
    43,663.40x = 60,207.90 × 29,491.64
  4. Step 4: Simplify right side
    43,663.40x = 1,775,629,711.96
  5. Step 5: Solve for x
    x = 1,775,629,711.96/43,663.40
  6. Step 6: Final answer
    x = 40,666.32

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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.