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Finding the Fourth Proportional to 2,442.54, 3,663.93 and 711.18

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Solution

The fourth proportional to 2,442.54, 3,663.93 and 711.18 is: 1,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.54 : 3,663.93 = 711.18 : x
  2. Step 2: Convert to fraction form
    2,442.54/3,663.93 = 711.18/x
  3. Step 3: Cross multiply
    2,442.54x = 3,663.93 × 711.18
  4. Step 4: Simplify right side
    2,442.54x = 2,605,713.74
  5. Step 5: Solve for x
    x = 2,605,713.74/2,442.54
  6. Step 6: Final answer
    x = 1,066.80

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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.