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Finding the Fourth Proportional to 1,962.33, 2,943.49 and 501.48

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Solution

The fourth proportional to 1,962.33, 2,943.49 and 501.48 is: 752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.33 : 2,943.49 = 501.48 : x
  2. Step 2: Convert to fraction form
    1,962.33/2,943.49 = 501.48/x
  3. Step 3: Cross multiply
    1,962.33x = 2,943.49 × 501.48
  4. Step 4: Simplify right side
    1,962.33x = 1,476,098.86
  5. Step 5: Solve for x
    x = 1,476,098.86/1,962.33
  6. Step 6: Final answer
    x = 752.22

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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.