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Finding the Fourth Proportional to 3,584.78, 5,371.02 and 2,543.06

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Solution

The fourth proportional to 3,584.78, 5,371.02 and 2,543.06 is: 3,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.78 : 5,371.02 = 2,543.06 : x
  2. Step 2: Convert to fraction form
    3,584.78/5,371.02 = 2,543.06/x
  3. Step 3: Cross multiply
    3,584.78x = 5,371.02 × 2,543.06
  4. Step 4: Simplify right side
    3,584.78x = 13,658,826.12
  5. Step 5: Solve for x
    x = 13,658,826.12/3,584.78
  6. Step 6: Final answer
    x = 3,810.23

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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.