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Finding the Fourth Proportional to 17,339.20, 26,008.80 and 17,108.80

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Solution

The fourth proportional to 17,339.20, 26,008.80 and 17,108.80 is: 25,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,339.20 : 26,008.80 = 17,108.80 : x
  2. Step 2: Convert to fraction form
    17,339.20/26,008.80 = 17,108.80/x
  3. Step 3: Cross multiply
    17,339.20x = 26,008.80 × 17,108.80
  4. Step 4: Simplify right side
    17,339.20x = 444,979,357.44
  5. Step 5: Solve for x
    x = 444,979,357.44/17,339.20
  6. Step 6: Final answer
    x = 25,663.20

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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.