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Finding the Fourth Proportional to 6,752.80, 9,319.20 and 3,768.58

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Solution

The fourth proportional to 6,752.80, 9,319.20 and 3,768.58 is: 5,200.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752.80 : 9,319.20 = 3,768.58 : x
  2. Step 2: Convert to fraction form
    6,752.80/9,319.20 = 3,768.58/x
  3. Step 3: Cross multiply
    6,752.80x = 9,319.20 × 3,768.58
  4. Step 4: Simplify right side
    6,752.80x = 35,120,150.74
  5. Step 5: Solve for x
    x = 35,120,150.74/6,752.80
  6. Step 6: Final answer
    x = 5,200.83

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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.