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Finding the Fourth Proportional to 5,604.30, 7,732.23 and 3,246

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Solution

The fourth proportional to 5,604.30, 7,732.23 and 3,246 is: 4,478.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.30 : 7,732.23 = 3,246 : x
  2. Step 2: Convert to fraction form
    5,604.30/7,732.23 = 3,246/x
  3. Step 3: Cross multiply
    5,604.30x = 7,732.23 × 3,246
  4. Step 4: Simplify right side
    5,604.30x = 25,098,818.58
  5. Step 5: Solve for x
    x = 25,098,818.58/5,604.30
  6. Step 6: Final answer
    x = 4,478.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.