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Finding the Fourth Proportional to 64,793.39, 89,414.48 and 36,508.19

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Solution

The fourth proportional to 64,793.39, 89,414.48 and 36,508.19 is: 50,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,793.39 : 89,414.48 = 36,508.19 : x
  2. Step 2: Convert to fraction form
    64,793.39/89,414.48 = 36,508.19/x
  3. Step 3: Cross multiply
    64,793.39x = 89,414.48 × 36,508.19
  4. Step 4: Simplify right side
    64,793.39x = 3,264,360,468.79
  5. Step 5: Solve for x
    x = 3,264,360,468.79/64,793.39
  6. Step 6: Final answer
    x = 50,381.08

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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.