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Finding the Fourth Proportional to 6,753.52, 9,319.60 and 3,769.48

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Solution

The fourth proportional to 6,753.52, 9,319.60 and 3,769.48 is: 5,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.52 : 9,319.60 = 3,769.48 : x
  2. Step 2: Convert to fraction form
    6,753.52/9,319.60 = 3,769.48/x
  3. Step 3: Cross multiply
    6,753.52x = 9,319.60 × 3,769.48
  4. Step 4: Simplify right side
    6,753.52x = 35,130,045.81
  5. Step 5: Solve for x
    x = 35,130,045.81/6,753.52
  6. Step 6: Final answer
    x = 5,201.74

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1.5x scale

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.