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Finding the Fourth Proportional to 25,797.28, 38,693.40 and 8,262.40

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Solution

The fourth proportional to 25,797.28, 38,693.40 and 8,262.40 is: 12,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,797.28 : 38,693.40 = 8,262.40 : x
  2. Step 2: Convert to fraction form
    25,797.28/38,693.40 = 8,262.40/x
  3. Step 3: Cross multiply
    25,797.28x = 38,693.40 × 8,262.40
  4. Step 4: Simplify right side
    25,797.28x = 319,700,348.16
  5. Step 5: Solve for x
    x = 319,700,348.16/25,797.28
  6. Step 6: Final answer
    x = 12,392.79

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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.