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Finding the Fourth Proportional to 31,675.92, 43,710.92 and 17,527.92

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Solution

The fourth proportional to 31,675.92, 43,710.92 and 17,527.92 is: 24,187.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675.92 : 43,710.92 = 17,527.92 : x
  2. Step 2: Convert to fraction form
    31,675.92/43,710.92 = 17,527.92/x
  3. Step 3: Cross multiply
    31,675.92x = 43,710.92 × 17,527.92
  4. Step 4: Simplify right side
    31,675.92x = 766,161,508.89
  5. Step 5: Solve for x
    x = 766,161,508.89/31,675.92
  6. Step 6: Final answer
    x = 24,187.51

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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.