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Finding the Fourth Proportional to 63,489.16, 87,616.03 and 34,811.44

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Solution

The fourth proportional to 63,489.16, 87,616.03 and 34,811.44 is: 48,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,489.16 : 87,616.03 = 34,811.44 : x
  2. Step 2: Convert to fraction form
    63,489.16/87,616.03 = 34,811.44/x
  3. Step 3: Cross multiply
    63,489.16x = 87,616.03 × 34,811.44
  4. Step 4: Simplify right side
    63,489.16x = 3,050,040,171.38
  5. Step 5: Solve for x
    x = 3,050,040,171.38/63,489.16
  6. Step 6: Final answer
    x = 48,040.33

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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.