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Finding the Fourth Proportional to 17,348.31, 26,022.47 and 8,574.39

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Solution

The fourth proportional to 17,348.31, 26,022.47 and 8,574.39 is: 12,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,348.31 : 26,022.47 = 8,574.39 : x
  2. Step 2: Convert to fraction form
    17,348.31/26,022.47 = 8,574.39/x
  3. Step 3: Cross multiply
    17,348.31x = 26,022.47 × 8,574.39
  4. Step 4: Simplify right side
    17,348.31x = 223,126,763.67
  5. Step 5: Solve for x
    x = 223,126,763.67/17,348.31
  6. Step 6: Final answer
    x = 12,861.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.