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Finding the Fourth Proportional to 8,632.75, 12,951.30 and 2,476.75

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Solution

The fourth proportional to 8,632.75, 12,951.30 and 2,476.75 is: 3,715.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.75 : 12,951.30 = 2,476.75 : x
  2. Step 2: Convert to fraction form
    8,632.75/12,951.30 = 2,476.75/x
  3. Step 3: Cross multiply
    8,632.75x = 12,951.30 × 2,476.75
  4. Step 4: Simplify right side
    8,632.75x = 32,077,132.28
  5. Step 5: Solve for x
    x = 32,077,132.28/8,632.75
  6. Step 6: Final answer
    x = 3,715.75

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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.