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Finding the Fourth Proportional to 8,480.79, 11,711.66 and 5,834.52

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Solution

The fourth proportional to 8,480.79, 11,711.66 and 5,834.52 is: 8,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.79 : 11,711.66 = 5,834.52 : x
  2. Step 2: Convert to fraction form
    8,480.79/11,711.66 = 5,834.52/x
  3. Step 3: Cross multiply
    8,480.79x = 11,711.66 × 5,834.52
  4. Step 4: Simplify right side
    8,480.79x = 68,331,885.33
  5. Step 5: Solve for x
    x = 68,331,885.33/8,480.79
  6. Step 6: Final answer
    x = 8,057.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.