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Finding the Fourth Proportional to 5,690.76, 8,524.62 and 2,949

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Solution

The fourth proportional to 5,690.76, 8,524.62 and 2,949 is: 4,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.76 : 8,524.62 = 2,949 : x
  2. Step 2: Convert to fraction form
    5,690.76/8,524.62 = 2,949/x
  3. Step 3: Cross multiply
    5,690.76x = 8,524.62 × 2,949
  4. Step 4: Simplify right side
    5,690.76x = 25,139,104.38
  5. Step 5: Solve for x
    x = 25,139,104.38/5,690.76
  6. Step 6: Final answer
    x = 4,417.53

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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.