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Finding the Fourth Proportional to 6,992.40, 10,488.63 and 2,832.49

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Solution

The fourth proportional to 6,992.40, 10,488.63 and 2,832.49 is: 4,248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.40 : 10,488.63 = 2,832.49 : x
  2. Step 2: Convert to fraction form
    6,992.40/10,488.63 = 2,832.49/x
  3. Step 3: Cross multiply
    6,992.40x = 10,488.63 × 2,832.49
  4. Step 4: Simplify right side
    6,992.40x = 29,708,880.42
  5. Step 5: Solve for x
    x = 29,708,880.42/6,992.40
  6. Step 6: Final answer
    x = 4,248.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.