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Finding the Fourth Proportional to 8,770.66, 13,151.31 and 4,600.66

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Solution

The fourth proportional to 8,770.66, 13,151.31 and 4,600.66 is: 6,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.66 : 13,151.31 = 4,600.66 : x
  2. Step 2: Convert to fraction form
    8,770.66/13,151.31 = 4,600.66/x
  3. Step 3: Cross multiply
    8,770.66x = 13,151.31 × 4,600.66
  4. Step 4: Simplify right side
    8,770.66x = 60,504,705.86
  5. Step 5: Solve for x
    x = 60,504,705.86/8,770.66
  6. Step 6: Final answer
    x = 6,898.54

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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.