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Finding the Fourth Proportional to 5,361.26, 8,042.07 and 4,752.55

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Solution

The fourth proportional to 5,361.26, 8,042.07 and 4,752.55 is: 7,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.26 : 8,042.07 = 4,752.55 : x
  2. Step 2: Convert to fraction form
    5,361.26/8,042.07 = 4,752.55/x
  3. Step 3: Cross multiply
    5,361.26x = 8,042.07 × 4,752.55
  4. Step 4: Simplify right side
    5,361.26x = 38,220,339.78
  5. Step 5: Solve for x
    x = 38,220,339.78/5,361.26
  6. Step 6: Final answer
    x = 7,128.98

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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.