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Finding the Fourth Proportional to 2,398.11, 3,597.41 and 666.73

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Solution

The fourth proportional to 2,398.11, 3,597.41 and 666.73 is: 1,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.11 : 3,597.41 = 666.73 : x
  2. Step 2: Convert to fraction form
    2,398.11/3,597.41 = 666.73/x
  3. Step 3: Cross multiply
    2,398.11x = 3,597.41 × 666.73
  4. Step 4: Simplify right side
    2,398.11x = 2,398,501.17
  5. Step 5: Solve for x
    x = 2,398,501.17/2,398.11
  6. Step 6: Final answer
    x = 1,000.16

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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.