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Finding the Fourth Proportional to 66,964.92, 92,473.83 and 43,132.56

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Solution

The fourth proportional to 66,964.92, 92,473.83 and 43,132.56 is: 59,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,964.92 : 92,473.83 = 43,132.56 : x
  2. Step 2: Convert to fraction form
    66,964.92/92,473.83 = 43,132.56/x
  3. Step 3: Cross multiply
    66,964.92x = 92,473.83 × 43,132.56
  4. Step 4: Simplify right side
    66,964.92x = 3,988,633,020.90
  5. Step 5: Solve for x
    x = 3,988,633,020.90/66,964.92
  6. Step 6: Final answer
    x = 59,563.02

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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.