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Finding the Fourth Proportional to 74,791.52, 112,091.29 and 32,660.18

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Solution

The fourth proportional to 74,791.52, 112,091.29 and 32,660.18 is: 48,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,791.52 : 112,091.29 = 32,660.18 : x
  2. Step 2: Convert to fraction form
    74,791.52/112,091.29 = 32,660.18/x
  3. Step 3: Cross multiply
    74,791.52x = 112,091.29 × 32,660.18
  4. Step 4: Simplify right side
    74,791.52x = 3,660,920,984.07
  5. Step 5: Solve for x
    x = 3,660,920,984.07/74,791.52
  6. Step 6: Final answer
    x = 48,948.35

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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.