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Finding the Fourth Proportional to 63,679.84, 87,871.44 and 36,818.08

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Solution

The fourth proportional to 63,679.84, 87,871.44 and 36,818.08 is: 50,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,679.84 : 87,871.44 = 36,818.08 : x
  2. Step 2: Convert to fraction form
    63,679.84/87,871.44 = 36,818.08/x
  3. Step 3: Cross multiply
    63,679.84x = 87,871.44 × 36,818.08
  4. Step 4: Simplify right side
    63,679.84x = 3,235,257,707.64
  5. Step 5: Solve for x
    x = 3,235,257,707.64/63,679.84
  6. Step 6: Final answer
    x = 50,805.05

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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.