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Finding the Fourth Proportional to 11,902.60, 17,841.66 and 8,008.12

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Solution

The fourth proportional to 11,902.60, 17,841.66 and 8,008.12 is: 12,003.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,902.60 : 17,841.66 = 8,008.12 : x
  2. Step 2: Convert to fraction form
    11,902.60/17,841.66 = 8,008.12/x
  3. Step 3: Cross multiply
    11,902.60x = 17,841.66 × 8,008.12
  4. Step 4: Simplify right side
    11,902.60x = 142,878,154.28
  5. Step 5: Solve for x
    x = 142,878,154.28/11,902.60
  6. Step 6: Final answer
    x = 12,003.94

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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.