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Finding the Fourth Proportional to 17,894.80, 26,842.12 and 15,237.56

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Solution

The fourth proportional to 17,894.80, 26,842.12 and 15,237.56 is: 22,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,894.80 : 26,842.12 = 15,237.56 : x
  2. Step 2: Convert to fraction form
    17,894.80/26,842.12 = 15,237.56/x
  3. Step 3: Cross multiply
    17,894.80x = 26,842.12 × 15,237.56
  4. Step 4: Simplify right side
    17,894.80x = 409,008,414.03
  5. Step 5: Solve for x
    x = 409,008,414.03/17,894.80
  6. Step 6: Final answer
    x = 22,856.27

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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.