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Finding the Fourth Proportional to 63,314.64, 87,388.70 and 36,472.68

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Solution

The fourth proportional to 63,314.64, 87,388.70 and 36,472.68 is: 50,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,314.64 : 87,388.70 = 36,472.68 : x
  2. Step 2: Convert to fraction form
    63,314.64/87,388.70 = 36,472.68/x
  3. Step 3: Cross multiply
    63,314.64x = 87,388.70 × 36,472.68
  4. Step 4: Simplify right side
    63,314.64x = 3,187,300,090.72
  5. Step 5: Solve for x
    x = 3,187,300,090.72/63,314.64
  6. Step 6: Final answer
    x = 50,340.65

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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.