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Finding the Fourth Proportional to 8,298.61, 11,451.01 and 5,314.73

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Solution

The fourth proportional to 8,298.61, 11,451.01 and 5,314.73 is: 7,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.61 : 11,451.01 = 5,314.73 : x
  2. Step 2: Convert to fraction form
    8,298.61/11,451.01 = 5,314.73/x
  3. Step 3: Cross multiply
    8,298.61x = 11,451.01 × 5,314.73
  4. Step 4: Simplify right side
    8,298.61x = 60,859,026.38
  5. Step 5: Solve for x
    x = 60,859,026.38/8,298.61
  6. Step 6: Final answer
    x = 7,333.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.