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Finding the Fourth Proportional to 63,214.81, 87,253.82 and 39,327.24

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Solution

The fourth proportional to 63,214.81, 87,253.82 and 39,327.24 is: 54,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,214.81 : 87,253.82 = 39,327.24 : x
  2. Step 2: Convert to fraction form
    63,214.81/87,253.82 = 39,327.24/x
  3. Step 3: Cross multiply
    63,214.81x = 87,253.82 × 39,327.24
  4. Step 4: Simplify right side
    63,214.81x = 3,431,451,920.06
  5. Step 5: Solve for x
    x = 3,431,451,920.06/63,214.81
  6. Step 6: Final answer
    x = 54,282.41

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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.