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Finding the Fourth Proportional to 31,752.72, 43,819.44 and 17,605.56

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Solution

The fourth proportional to 31,752.72, 43,819.44 and 17,605.56 is: 24,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,752.72 : 43,819.44 = 17,605.56 : x
  2. Step 2: Convert to fraction form
    31,752.72/43,819.44 = 17,605.56/x
  3. Step 3: Cross multiply
    31,752.72x = 43,819.44 × 17,605.56
  4. Step 4: Simplify right side
    31,752.72x = 771,465,780.09
  5. Step 5: Solve for x
    x = 771,465,780.09/31,752.72
  6. Step 6: Final answer
    x = 24,296.05

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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.