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Finding the Fourth Proportional to 6,634.60, 9,941.10 and 5,662.60

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Solution

The fourth proportional to 6,634.60, 9,941.10 and 5,662.60 is: 8,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.60 : 9,941.10 = 5,662.60 : x
  2. Step 2: Convert to fraction form
    6,634.60/9,941.10 = 5,662.60/x
  3. Step 3: Cross multiply
    6,634.60x = 9,941.10 × 5,662.60
  4. Step 4: Simplify right side
    6,634.60x = 56,292,472.86
  5. Step 5: Solve for x
    x = 56,292,472.86/6,634.60
  6. Step 6: Final answer
    x = 8,484.68

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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.