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Finding the Fourth Proportional to 6,203.52, 8,560.80 and 3,719.52

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Solution

The fourth proportional to 6,203.52, 8,560.80 and 3,719.52 is: 5,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,203.52 : 8,560.80 = 3,719.52 : x
  2. Step 2: Convert to fraction form
    6,203.52/8,560.80 = 3,719.52/x
  3. Step 3: Cross multiply
    6,203.52x = 8,560.80 × 3,719.52
  4. Step 4: Simplify right side
    6,203.52x = 31,842,066.82
  5. Step 5: Solve for x
    x = 31,842,066.82/6,203.52
  6. Step 6: Final answer
    x = 5,132.90

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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.