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Finding the Fourth Proportional to 62,773.88, 86,627.14 and 34,477.75

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Solution

The fourth proportional to 62,773.88, 86,627.14 and 34,477.75 is: 47,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,773.88 : 86,627.14 = 34,477.75 : x
  2. Step 2: Convert to fraction form
    62,773.88/86,627.14 = 34,477.75/x
  3. Step 3: Cross multiply
    62,773.88x = 86,627.14 × 34,477.75
  4. Step 4: Simplify right side
    62,773.88x = 2,986,708,876.14
  5. Step 5: Solve for x
    x = 2,986,708,876.14/62,773.88
  6. Step 6: Final answer
    x = 47,578.85

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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.