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Finding the Fourth Proportional to 2,424.82, 3,637.23 and 693.46

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Solution

The fourth proportional to 2,424.82, 3,637.23 and 693.46 is: 1,040.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.82 : 3,637.23 = 693.46 : x
  2. Step 2: Convert to fraction form
    2,424.82/3,637.23 = 693.46/x
  3. Step 3: Cross multiply
    2,424.82x = 3,637.23 × 693.46
  4. Step 4: Simplify right side
    2,424.82x = 2,522,273.52
  5. Step 5: Solve for x
    x = 2,522,273.52/2,424.82
  6. Step 6: Final answer
    x = 1,040.19

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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.