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Finding the Fourth Proportional to 68,863.74, 95,024.16 and 38,642.82

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Solution

The fourth proportional to 68,863.74, 95,024.16 and 38,642.82 is: 53,322.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,863.74 : 95,024.16 = 38,642.82 : x
  2. Step 2: Convert to fraction form
    68,863.74/95,024.16 = 38,642.82/x
  3. Step 3: Cross multiply
    68,863.74x = 95,024.16 × 38,642.82
  4. Step 4: Simplify right side
    68,863.74x = 3,672,001,510.53
  5. Step 5: Solve for x
    x = 3,672,001,510.53/68,863.74
  6. Step 6: Final answer
    x = 53,322.71

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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.