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Finding the Fourth Proportional to 25,951.59, 38,932.25 and 8,416.71

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Solution

The fourth proportional to 25,951.59, 38,932.25 and 8,416.71 is: 12,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,951.59 : 38,932.25 = 8,416.71 : x
  2. Step 2: Convert to fraction form
    25,951.59/38,932.25 = 8,416.71/x
  3. Step 3: Cross multiply
    25,951.59x = 38,932.25 × 8,416.71
  4. Step 4: Simplify right side
    25,951.59x = 327,681,415.81
  5. Step 5: Solve for x
    x = 327,681,415.81/25,951.59
  6. Step 6: Final answer
    x = 12,626.64

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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.