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Finding the Fourth Proportional to 11,876.60, 17,793.30 and 9,673.40

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Solution

The fourth proportional to 11,876.60, 17,793.30 and 9,673.40 is: 14,492.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.60 : 17,793.30 = 9,673.40 : x
  2. Step 2: Convert to fraction form
    11,876.60/17,793.30 = 9,673.40/x
  3. Step 3: Cross multiply
    11,876.60x = 17,793.30 × 9,673.40
  4. Step 4: Simplify right side
    11,876.60x = 172,121,708.22
  5. Step 5: Solve for x
    x = 172,121,708.22/11,876.60
  6. Step 6: Final answer
    x = 14,492.51

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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.