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Finding the Fourth Proportional to 5,362, 7,399.56 and 3,499

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Solution

The fourth proportional to 5,362, 7,399.56 and 3,499 is: 4,828.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362 : 7,399.56 = 3,499 : x
  2. Step 2: Convert to fraction form
    5,362/7,399.56 = 3,499/x
  3. Step 3: Cross multiply
    5,362x = 7,399.56 × 3,499
  4. Step 4: Simplify right side
    5,362x = 25,891,060.44
  5. Step 5: Solve for x
    x = 25,891,060.44/5,362
  6. Step 6: Final answer
    x = 4,828.62

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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.