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Finding the Fourth Proportional to 63,213.68, 87,233.64 and 34,919.12

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Solution

The fourth proportional to 63,213.68, 87,233.64 and 34,919.12 is: 48,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,213.68 : 87,233.64 = 34,919.12 : x
  2. Step 2: Convert to fraction form
    63,213.68/87,233.64 = 34,919.12/x
  3. Step 3: Cross multiply
    63,213.68x = 87,233.64 × 34,919.12
  4. Step 4: Simplify right side
    63,213.68x = 3,046,121,943.20
  5. Step 5: Solve for x
    x = 3,046,121,943.20/63,213.68
  6. Step 6: Final answer
    x = 48,187.70

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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.