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Finding the Fourth Proportional to 62,784.78, 94,138.02 and 29,490.54

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Solution

The fourth proportional to 62,784.78, 94,138.02 and 29,490.54 is: 44,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,784.78 : 94,138.02 = 29,490.54 : x
  2. Step 2: Convert to fraction form
    62,784.78/94,138.02 = 29,490.54/x
  3. Step 3: Cross multiply
    62,784.78x = 94,138.02 × 29,490.54
  4. Step 4: Simplify right side
    62,784.78x = 2,776,181,044.33
  5. Step 5: Solve for x
    x = 2,776,181,044.33/62,784.78
  6. Step 6: Final answer
    x = 44,217.42

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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.