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Finding the Fourth Proportional to 7,007.56, 10,508.38 and 3,844.20

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Solution

The fourth proportional to 7,007.56, 10,508.38 and 3,844.20 is: 5,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.56 : 10,508.38 = 3,844.20 : x
  2. Step 2: Convert to fraction form
    7,007.56/10,508.38 = 3,844.20/x
  3. Step 3: Cross multiply
    7,007.56x = 10,508.38 × 3,844.20
  4. Step 4: Simplify right side
    7,007.56x = 40,396,314.40
  5. Step 5: Solve for x
    x = 40,396,314.40/7,007.56
  6. Step 6: Final answer
    x = 5,764.68

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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.