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Finding the Fourth Proportional to 7,392.20, 10,201.19 and 4,035

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Solution

The fourth proportional to 7,392.20, 10,201.19 and 4,035 is: 5,568.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.20 : 10,201.19 = 4,035 : x
  2. Step 2: Convert to fraction form
    7,392.20/10,201.19 = 4,035/x
  3. Step 3: Cross multiply
    7,392.20x = 10,201.19 × 4,035
  4. Step 4: Simplify right side
    7,392.20x = 41,161,781.48
  5. Step 5: Solve for x
    x = 41,161,781.48/7,392.20
  6. Step 6: Final answer
    x = 5,568.28

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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.