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Finding the Fourth Proportional to 17,914.40, 26,754.40 and 15,253.52

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Solution

The fourth proportional to 17,914.40, 26,754.40 and 15,253.52 is: 22,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,914.40 : 26,754.40 = 15,253.52 : x
  2. Step 2: Convert to fraction form
    17,914.40/26,754.40 = 15,253.52/x
  3. Step 3: Cross multiply
    17,914.40x = 26,754.40 × 15,253.52
  4. Step 4: Simplify right side
    17,914.40x = 408,098,775.49
  5. Step 5: Solve for x
    x = 408,098,775.49/17,914.40
  6. Step 6: Final answer
    x = 22,780.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.