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Finding the Fourth Proportional to 5,443.48, 7,513.38 and 3,349.48

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Solution

The fourth proportional to 5,443.48, 7,513.38 and 3,349.48 is: 4,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.48 : 7,513.38 = 3,349.48 : x
  2. Step 2: Convert to fraction form
    5,443.48/7,513.38 = 3,349.48/x
  3. Step 3: Cross multiply
    5,443.48x = 7,513.38 × 3,349.48
  4. Step 4: Simplify right side
    5,443.48x = 25,165,916.04
  5. Step 5: Solve for x
    x = 25,165,916.04/5,443.48
  6. Step 6: Final answer
    x = 4,623.13

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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.