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Finding the Fourth Proportional to 17,566.91, 26,368.92 and 17,170.28

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Solution

The fourth proportional to 17,566.91, 26,368.92 and 17,170.28 is: 25,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,566.91 : 26,368.92 = 17,170.28 : x
  2. Step 2: Convert to fraction form
    17,566.91/26,368.92 = 17,170.28/x
  3. Step 3: Cross multiply
    17,566.91x = 26,368.92 × 17,170.28
  4. Step 4: Simplify right side
    17,566.91x = 452,761,739.70
  5. Step 5: Solve for x
    x = 452,761,739.70/17,566.91
  6. Step 6: Final answer
    x = 25,773.56

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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.