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Finding the Fourth Proportional to 58,604.65, 80,874.09 and 31,747.68

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Solution

The fourth proportional to 58,604.65, 80,874.09 and 31,747.68 is: 43,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,604.65 : 80,874.09 = 31,747.68 : x
  2. Step 2: Convert to fraction form
    58,604.65/80,874.09 = 31,747.68/x
  3. Step 3: Cross multiply
    58,604.65x = 80,874.09 × 31,747.68
  4. Step 4: Simplify right side
    58,604.65x = 2,567,564,729.61
  5. Step 5: Solve for x
    x = 2,567,564,729.61/58,604.65
  6. Step 6: Final answer
    x = 43,811.62

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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.