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Finding the Fourth Proportional to 68,082.40, 93,943.92 and 37,866.16

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Solution

The fourth proportional to 68,082.40, 93,943.92 and 37,866.16 is: 52,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,082.40 : 93,943.92 = 37,866.16 : x
  2. Step 2: Convert to fraction form
    68,082.40/93,943.92 = 37,866.16/x
  3. Step 3: Cross multiply
    68,082.40x = 93,943.92 × 37,866.16
  4. Step 4: Simplify right side
    68,082.40x = 3,557,295,505.75
  5. Step 5: Solve for x
    x = 3,557,295,505.75/68,082.40
  6. Step 6: Final answer
    x = 52,249.85

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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.