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Finding the Fourth Proportional to 68,037.88, 102,016.62 and 25,921.24

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Solution

The fourth proportional to 68,037.88, 102,016.62 and 25,921.24 is: 38,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,037.88 : 102,016.62 = 25,921.24 : x
  2. Step 2: Convert to fraction form
    68,037.88/102,016.62 = 25,921.24/x
  3. Step 3: Cross multiply
    68,037.88x = 102,016.62 × 25,921.24
  4. Step 4: Simplify right side
    68,037.88x = 2,644,397,291.01
  5. Step 5: Solve for x
    x = 2,644,397,291.01/68,037.88
  6. Step 6: Final answer
    x = 38,866.54

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1.5x scale

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.