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Finding the Fourth Proportional to 58,562.43, 80,815.19 and 31,704.69

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Solution

The fourth proportional to 58,562.43, 80,815.19 and 31,704.69 is: 43,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,562.43 : 80,815.19 = 31,704.69 : x
  2. Step 2: Convert to fraction form
    58,562.43/80,815.19 = 31,704.69/x
  3. Step 3: Cross multiply
    58,562.43x = 80,815.19 × 31,704.69
  4. Step 4: Simplify right side
    58,562.43x = 2,562,220,546.24
  5. Step 5: Solve for x
    x = 2,562,220,546.24/58,562.43
  6. Step 6: Final answer
    x = 43,751.95

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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.