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Finding the Fourth Proportional to 25,993.68, 38,990.34 and 6,272.16

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Solution

The fourth proportional to 25,993.68, 38,990.34 and 6,272.16 is: 9,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,993.68 : 38,990.34 = 6,272.16 : x
  2. Step 2: Convert to fraction form
    25,993.68/38,990.34 = 6,272.16/x
  3. Step 3: Cross multiply
    25,993.68x = 38,990.34 × 6,272.16
  4. Step 4: Simplify right side
    25,993.68x = 244,553,650.93
  5. Step 5: Solve for x
    x = 244,553,650.93/25,993.68
  6. Step 6: Final answer
    x = 9,408.20

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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.