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Finding the Fourth Proportional to 6,374.74, 8,795.17 and 3,720.27

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Solution

The fourth proportional to 6,374.74, 8,795.17 and 3,720.27 is: 5,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374.74 : 8,795.17 = 3,720.27 : x
  2. Step 2: Convert to fraction form
    6,374.74/8,795.17 = 3,720.27/x
  3. Step 3: Cross multiply
    6,374.74x = 8,795.17 × 3,720.27
  4. Step 4: Simplify right side
    6,374.74x = 32,720,407.10
  5. Step 5: Solve for x
    x = 32,720,407.10/6,374.74
  6. Step 6: Final answer
    x = 5,132.82

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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.