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Finding the Fourth Proportional to 58,575.46, 80,834.03 and 31,718.05

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Solution

The fourth proportional to 58,575.46, 80,834.03 and 31,718.05 is: 43,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,575.46 : 80,834.03 = 31,718.05 : x
  2. Step 2: Convert to fraction form
    58,575.46/80,834.03 = 31,718.05/x
  3. Step 3: Cross multiply
    58,575.46x = 80,834.03 × 31,718.05
  4. Step 4: Simplify right side
    58,575.46x = 2,563,897,646.65
  5. Step 5: Solve for x
    x = 2,563,897,646.65/58,575.46
  6. Step 6: Final answer
    x = 43,770.85

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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.