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Finding the Fourth Proportional to 63,391.52, 95,081.60 and 19,028.18

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Solution

The fourth proportional to 63,391.52, 95,081.60 and 19,028.18 is: 28,540.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,391.52 : 95,081.60 = 19,028.18 : x
  2. Step 2: Convert to fraction form
    63,391.52/95,081.60 = 19,028.18/x
  3. Step 3: Cross multiply
    63,391.52x = 95,081.60 × 19,028.18
  4. Step 4: Simplify right side
    63,391.52x = 1,809,229,799.49
  5. Step 5: Solve for x
    x = 1,809,229,799.49/63,391.52
  6. Step 6: Final answer
    x = 28,540.57

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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.