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Finding the Fourth Proportional to 25,319.44, 37,954.20 and 8,891.92

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Solution

The fourth proportional to 25,319.44, 37,954.20 and 8,891.92 is: 13,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,319.44 : 37,954.20 = 8,891.92 : x
  2. Step 2: Convert to fraction form
    25,319.44/37,954.20 = 8,891.92/x
  3. Step 3: Cross multiply
    25,319.44x = 37,954.20 × 8,891.92
  4. Step 4: Simplify right side
    25,319.44x = 337,485,710.06
  5. Step 5: Solve for x
    x = 337,485,710.06/25,319.44
  6. Step 6: Final answer
    x = 13,329.11

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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.