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Finding the Fourth Proportional to 11,458.80, 17,188.20 and 10,073.70

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Solution

The fourth proportional to 11,458.80, 17,188.20 and 10,073.70 is: 15,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.80 : 17,188.20 = 10,073.70 : x
  2. Step 2: Convert to fraction form
    11,458.80/17,188.20 = 10,073.70/x
  3. Step 3: Cross multiply
    11,458.80x = 17,188.20 × 10,073.70
  4. Step 4: Simplify right side
    11,458.80x = 173,148,770.34
  5. Step 5: Solve for x
    x = 173,148,770.34/11,458.80
  6. Step 6: Final answer
    x = 15,110.55

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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.