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Finding the Fourth Proportional to 8,770.41, 13,042.84 and 8,493.55

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Solution

The fourth proportional to 8,770.41, 13,042.84 and 8,493.55 is: 12,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.41 : 13,042.84 = 8,493.55 : x
  2. Step 2: Convert to fraction form
    8,770.41/13,042.84 = 8,493.55/x
  3. Step 3: Cross multiply
    8,770.41x = 13,042.84 × 8,493.55
  4. Step 4: Simplify right side
    8,770.41x = 110,780,013.68
  5. Step 5: Solve for x
    x = 110,780,013.68/8,770.41
  6. Step 6: Final answer
    x = 12,631.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.