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Finding the Fourth Proportional to 7,662.93, 11,494.80 and 2,398.66

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Solution

The fourth proportional to 7,662.93, 11,494.80 and 2,398.66 is: 3,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.93 : 11,494.80 = 2,398.66 : x
  2. Step 2: Convert to fraction form
    7,662.93/11,494.80 = 2,398.66/x
  3. Step 3: Cross multiply
    7,662.93x = 11,494.80 × 2,398.66
  4. Step 4: Simplify right side
    7,662.93x = 27,572,116.97
  5. Step 5: Solve for x
    x = 27,572,116.97/7,662.93
  6. Step 6: Final answer
    x = 3,598.12

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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.