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Finding the Fourth Proportional to 29,472.90, 43,982.90 and 26,319.97

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Solution

The fourth proportional to 29,472.90, 43,982.90 and 26,319.97 is: 39,277.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,472.90 : 43,982.90 = 26,319.97 : x
  2. Step 2: Convert to fraction form
    29,472.90/43,982.90 = 26,319.97/x
  3. Step 3: Cross multiply
    29,472.90x = 43,982.90 × 26,319.97
  4. Step 4: Simplify right side
    29,472.90x = 1,157,628,630.59
  5. Step 5: Solve for x
    x = 1,157,628,630.59/29,472.90
  6. Step 6: Final answer
    x = 39,277.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.