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Finding the Fourth Proportional to 64,882.82, 89,554.61 and 36,604.91

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Solution

The fourth proportional to 64,882.82, 89,554.61 and 36,604.91 is: 50,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,882.82 : 89,554.61 = 36,604.91 : x
  2. Step 2: Convert to fraction form
    64,882.82/89,554.61 = 36,604.91/x
  3. Step 3: Cross multiply
    64,882.82x = 89,554.61 × 36,604.91
  4. Step 4: Simplify right side
    64,882.82x = 3,278,138,439.14
  5. Step 5: Solve for x
    x = 3,278,138,439.14/64,882.82
  6. Step 6: Final answer
    x = 50,523.98

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1.5x scale

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.