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Finding the Fourth Proportional to 6,753.88, 10,129.64 and 3,055.24

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Solution

The fourth proportional to 6,753.88, 10,129.64 and 3,055.24 is: 4,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.88 : 10,129.64 = 3,055.24 : x
  2. Step 2: Convert to fraction form
    6,753.88/10,129.64 = 3,055.24/x
  3. Step 3: Cross multiply
    6,753.88x = 10,129.64 × 3,055.24
  4. Step 4: Simplify right side
    6,753.88x = 30,948,481.31
  5. Step 5: Solve for x
    x = 30,948,481.31/6,753.88
  6. Step 6: Final answer
    x = 4,582.33

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1.5x scale

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.