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Finding the Fourth Proportional to 17,782.26, 26,654.22 and 9,017.88

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Solution

The fourth proportional to 17,782.26, 26,654.22 and 9,017.88 is: 13,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,782.26 : 26,654.22 = 9,017.88 : x
  2. Step 2: Convert to fraction form
    17,782.26/26,654.22 = 9,017.88/x
  3. Step 3: Cross multiply
    17,782.26x = 26,654.22 × 9,017.88
  4. Step 4: Simplify right side
    17,782.26x = 240,364,557.45
  5. Step 5: Solve for x
    x = 240,364,557.45/17,782.26
  6. Step 6: Final answer
    x = 13,517.10

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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.