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Finding the Fourth Proportional to 2,442.31, 3,663.57 and 710.94

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Solution

The fourth proportional to 2,442.31, 3,663.57 and 710.94 is: 1,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.31 : 3,663.57 = 710.94 : x
  2. Step 2: Convert to fraction form
    2,442.31/3,663.57 = 710.94/x
  3. Step 3: Cross multiply
    2,442.31x = 3,663.57 × 710.94
  4. Step 4: Simplify right side
    2,442.31x = 2,604,578.46
  5. Step 5: Solve for x
    x = 2,604,578.46/2,442.31
  6. Step 6: Final answer
    x = 1,066.44

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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.