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Finding the Fourth Proportional to 17,882.96, 26,985.26 and 17,265.20

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Solution

The fourth proportional to 17,882.96, 26,985.26 and 17,265.20 is: 26,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,882.96 : 26,985.26 = 17,265.20 : x
  2. Step 2: Convert to fraction form
    17,882.96/26,985.26 = 17,265.20/x
  3. Step 3: Cross multiply
    17,882.96x = 26,985.26 × 17,265.20
  4. Step 4: Simplify right side
    17,882.96x = 465,905,910.95
  5. Step 5: Solve for x
    x = 465,905,910.95/17,882.96
  6. Step 6: Final answer
    x = 26,053.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.