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Finding the Fourth Proportional to 8,609.86, 11,882.85 and 4,834.58

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Solution

The fourth proportional to 8,609.86, 11,882.85 and 4,834.58 is: 6,672.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.86 : 11,882.85 = 4,834.58 : x
  2. Step 2: Convert to fraction form
    8,609.86/11,882.85 = 4,834.58/x
  3. Step 3: Cross multiply
    8,609.86x = 11,882.85 × 4,834.58
  4. Step 4: Simplify right side
    8,609.86x = 57,448,588.95
  5. Step 5: Solve for x
    x = 57,448,588.95/8,609.86
  6. Step 6: Final answer
    x = 6,672.42

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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.