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Finding the Fourth Proportional to 63,213.71, 87,227.48 and 34,917.71

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Solution

The fourth proportional to 63,213.71, 87,227.48 and 34,917.71 is: 48,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,213.71 : 87,227.48 = 34,917.71 : x
  2. Step 2: Convert to fraction form
    63,213.71/87,227.48 = 34,917.71/x
  3. Step 3: Cross multiply
    63,213.71x = 87,227.48 × 34,917.71
  4. Step 4: Simplify right side
    63,213.71x = 3,045,783,501.83
  5. Step 5: Solve for x
    x = 3,045,783,501.83/63,213.71
  6. Step 6: Final answer
    x = 48,182.33

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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.