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Finding the Fourth Proportional to 63,712.64, 87,882.72 and 41,080.64

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Solution

The fourth proportional to 63,712.64, 87,882.72 and 41,080.64 is: 56,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,712.64 : 87,882.72 = 41,080.64 : x
  2. Step 2: Convert to fraction form
    63,712.64/87,882.72 = 41,080.64/x
  3. Step 3: Cross multiply
    63,712.64x = 87,882.72 × 41,080.64
  4. Step 4: Simplify right side
    63,712.64x = 3,610,278,382.54
  5. Step 5: Solve for x
    x = 3,610,278,382.54/63,712.64
  6. Step 6: Final answer
    x = 56,665.03

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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.