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Finding the Fourth Proportional to 62,690.48, 94,044.52 and 18,320.48

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Solution

The fourth proportional to 62,690.48, 94,044.52 and 18,320.48 is: 27,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,690.48 : 94,044.52 = 18,320.48 : x
  2. Step 2: Convert to fraction form
    62,690.48/94,044.52 = 18,320.48/x
  3. Step 3: Cross multiply
    62,690.48x = 94,044.52 × 18,320.48
  4. Step 4: Simplify right side
    62,690.48x = 1,722,940,747.77
  5. Step 5: Solve for x
    x = 1,722,940,747.77/62,690.48
  6. Step 6: Final answer
    x = 27,483.29

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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.