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Finding the Fourth Proportional to 62,188.72, 85,822.73 and 35,335.78

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Solution

The fourth proportional to 62,188.72, 85,822.73 and 35,335.78 is: 48,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,188.72 : 85,822.73 = 35,335.78 : x
  2. Step 2: Convert to fraction form
    62,188.72/85,822.73 = 35,335.78/x
  3. Step 3: Cross multiply
    62,188.72x = 85,822.73 × 35,335.78
  4. Step 4: Simplify right side
    62,188.72x = 3,032,612,715.04
  5. Step 5: Solve for x
    x = 3,032,612,715.04/62,188.72
  6. Step 6: Final answer
    x = 48,764.68

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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.