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Finding the Fourth Proportional to 6,691.60, 10,039.14 and 2,994.64

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Solution

The fourth proportional to 6,691.60, 10,039.14 and 2,994.64 is: 4,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.60 : 10,039.14 = 2,994.64 : x
  2. Step 2: Convert to fraction form
    6,691.60/10,039.14 = 2,994.64/x
  3. Step 3: Cross multiply
    6,691.60x = 10,039.14 × 2,994.64
  4. Step 4: Simplify right side
    6,691.60x = 30,063,610.21
  5. Step 5: Solve for x
    x = 30,063,610.21/6,691.60
  6. Step 6: Final answer
    x = 4,492.74

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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.