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Finding the Fourth Proportional to 45,544.97, 68,301.05 and 19,251.76

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Solution

The fourth proportional to 45,544.97, 68,301.05 and 19,251.76 is: 28,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,544.97 : 68,301.05 = 19,251.76 : x
  2. Step 2: Convert to fraction form
    45,544.97/68,301.05 = 19,251.76/x
  3. Step 3: Cross multiply
    45,544.97x = 68,301.05 × 19,251.76
  4. Step 4: Simplify right side
    45,544.97x = 1,314,915,422.35
  5. Step 5: Solve for x
    x = 1,314,915,422.35/45,544.97
  6. Step 6: Final answer
    x = 28,870.71

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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.