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Finding the Fourth Proportional to 8,734.60, 13,101.90 and 6,110.20

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Solution

The fourth proportional to 8,734.60, 13,101.90 and 6,110.20 is: 9,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.60 : 13,101.90 = 6,110.20 : x
  2. Step 2: Convert to fraction form
    8,734.60/13,101.90 = 6,110.20/x
  3. Step 3: Cross multiply
    8,734.60x = 13,101.90 × 6,110.20
  4. Step 4: Simplify right side
    8,734.60x = 80,055,229.38
  5. Step 5: Solve for x
    x = 80,055,229.38/8,734.60
  6. Step 6: Final answer
    x = 9,165.30

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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.