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Finding the Fourth Proportional to 17,045.74, 25,531.68 and 8,262.28

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Solution

The fourth proportional to 17,045.74, 25,531.68 and 8,262.28 is: 12,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,045.74 : 25,531.68 = 8,262.28 : x
  2. Step 2: Convert to fraction form
    17,045.74/25,531.68 = 8,262.28/x
  3. Step 3: Cross multiply
    17,045.74x = 25,531.68 × 8,262.28
  4. Step 4: Simplify right side
    17,045.74x = 210,949,889.03
  5. Step 5: Solve for x
    x = 210,949,889.03/17,045.74
  6. Step 6: Final answer
    x = 12,375.52

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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.