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Finding the Fourth Proportional to 63,990.27, 88,305.80 and 35,700.75

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Solution

The fourth proportional to 63,990.27, 88,305.80 and 35,700.75 is: 49,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,990.27 : 88,305.80 = 35,700.75 : x
  2. Step 2: Convert to fraction form
    63,990.27/88,305.80 = 35,700.75/x
  3. Step 3: Cross multiply
    63,990.27x = 88,305.80 × 35,700.75
  4. Step 4: Simplify right side
    63,990.27x = 3,152,583,110.85
  5. Step 5: Solve for x
    x = 3,152,583,110.85/63,990.27
  6. Step 6: Final answer
    x = 49,266.60

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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.