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Finding the Fourth Proportional to 62,789.54, 86,672.31 and 41,575.64

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Solution

The fourth proportional to 62,789.54, 86,672.31 and 41,575.64 is: 57,389.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,789.54 : 86,672.31 = 41,575.64 : x
  2. Step 2: Convert to fraction form
    62,789.54/86,672.31 = 41,575.64/x
  3. Step 3: Cross multiply
    62,789.54x = 86,672.31 × 41,575.64
  4. Step 4: Simplify right side
    62,789.54x = 3,603,456,758.53
  5. Step 5: Solve for x
    x = 3,603,456,758.53/62,789.54
  6. Step 6: Final answer
    x = 57,389.44

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1.5x scale

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.