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Finding the Fourth Proportional to 2,442.39, 3,663.59 and 711.02

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Solution

The fourth proportional to 2,442.39, 3,663.59 and 711.02 is: 1,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.39 : 3,663.59 = 711.02 : x
  2. Step 2: Convert to fraction form
    2,442.39/3,663.59 = 711.02/x
  3. Step 3: Cross multiply
    2,442.39x = 3,663.59 × 711.02
  4. Step 4: Simplify right side
    2,442.39x = 2,604,885.76
  5. Step 5: Solve for x
    x = 2,604,885.76/2,442.39
  6. Step 6: Final answer
    x = 1,066.53

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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.