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Finding the Fourth Proportional to 68,443.95, 94,451.64 and 38,229.71

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Solution

The fourth proportional to 68,443.95, 94,451.64 and 38,229.71 is: 52,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,443.95 : 94,451.64 = 38,229.71 : x
  2. Step 2: Convert to fraction form
    68,443.95/94,451.64 = 38,229.71/x
  3. Step 3: Cross multiply
    68,443.95x = 94,451.64 × 38,229.71
  4. Step 4: Simplify right side
    68,443.95x = 3,610,858,333.97
  5. Step 5: Solve for x
    x = 3,610,858,333.97/68,443.95
  6. Step 6: Final answer
    x = 52,756.43

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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.