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Finding the Fourth Proportional to 25,697.44, 38,544.48 and 8,168.32

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Solution

The fourth proportional to 25,697.44, 38,544.48 and 8,168.32 is: 12,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,697.44 : 38,544.48 = 8,168.32 : x
  2. Step 2: Convert to fraction form
    25,697.44/38,544.48 = 8,168.32/x
  3. Step 3: Cross multiply
    25,697.44x = 38,544.48 × 8,168.32
  4. Step 4: Simplify right side
    25,697.44x = 314,843,646.87
  5. Step 5: Solve for x
    x = 314,843,646.87/25,697.44
  6. Step 6: Final answer
    x = 12,251.95

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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.