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Finding the Fourth Proportional to 68,863.98, 95,028.30 and 38,646.48

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Solution

The fourth proportional to 68,863.98, 95,028.30 and 38,646.48 is: 53,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,863.98 : 95,028.30 = 38,646.48 : x
  2. Step 2: Convert to fraction form
    68,863.98/95,028.30 = 38,646.48/x
  3. Step 3: Cross multiply
    68,863.98x = 95,028.30 × 38,646.48
  4. Step 4: Simplify right side
    68,863.98x = 3,672,509,295.38
  5. Step 5: Solve for x
    x = 3,672,509,295.38/68,863.98
  6. Step 6: Final answer
    x = 53,329.90

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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.