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Finding the Fourth Proportional to 63,214.57, 87,252.87 and 39,327.67

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Solution

The fourth proportional to 63,214.57, 87,252.87 and 39,327.67 is: 54,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,214.57 : 87,252.87 = 39,327.67 : x
  2. Step 2: Convert to fraction form
    63,214.57/87,252.87 = 39,327.67/x
  3. Step 3: Cross multiply
    63,214.57x = 87,252.87 × 39,327.67
  4. Step 4: Simplify right side
    63,214.57x = 3,431,452,077.91
  5. Step 5: Solve for x
    x = 3,431,452,077.91/63,214.57
  6. Step 6: Final answer
    x = 54,282.61

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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.