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Finding the Fourth Proportional to 63,674.68, 87,865.91 and 36,818.93

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Solution

The fourth proportional to 63,674.68, 87,865.91 and 36,818.93 is: 50,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,674.68 : 87,865.91 = 36,818.93 : x
  2. Step 2: Convert to fraction form
    63,674.68/87,865.91 = 36,818.93/x
  3. Step 3: Cross multiply
    63,674.68x = 87,865.91 × 36,818.93
  4. Step 4: Simplify right side
    63,674.68x = 3,235,128,789.68
  5. Step 5: Solve for x
    x = 3,235,128,789.68/63,674.68
  6. Step 6: Final answer
    x = 50,807.15

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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.