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Finding the Fourth Proportional to 63,998.64, 88,319.16 and 35,704.80

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Solution

The fourth proportional to 63,998.64, 88,319.16 and 35,704.80 is: 49,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,998.64 : 88,319.16 = 35,704.80 : x
  2. Step 2: Convert to fraction form
    63,998.64/88,319.16 = 35,704.80/x
  3. Step 3: Cross multiply
    63,998.64x = 88,319.16 × 35,704.80
  4. Step 4: Simplify right side
    63,998.64x = 3,153,417,943.97
  5. Step 5: Solve for x
    x = 3,153,417,943.97/63,998.64
  6. Step 6: Final answer
    x = 49,273.20

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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.