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Finding the Fourth Proportional to 63,264.71, 87,302.64 and 36,408.15

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Solution

The fourth proportional to 63,264.71, 87,302.64 and 36,408.15 is: 50,241.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,264.71 : 87,302.64 = 36,408.15 : x
  2. Step 2: Convert to fraction form
    63,264.71/87,302.64 = 36,408.15/x
  3. Step 3: Cross multiply
    63,264.71x = 87,302.64 × 36,408.15
  4. Step 4: Simplify right side
    63,264.71x = 3,178,527,749.05
  5. Step 5: Solve for x
    x = 3,178,527,749.05/63,264.71
  6. Step 6: Final answer
    x = 50,241.72

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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.