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Finding the Fourth Proportional to 7,245.56, 10,807.44 and 6,581.16

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Solution

The fourth proportional to 7,245.56, 10,807.44 and 6,581.16 is: 9,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.56 : 10,807.44 = 6,581.16 : x
  2. Step 2: Convert to fraction form
    7,245.56/10,807.44 = 6,581.16/x
  3. Step 3: Cross multiply
    7,245.56x = 10,807.44 × 6,581.16
  4. Step 4: Simplify right side
    7,245.56x = 71,125,491.83
  5. Step 5: Solve for x
    x = 71,125,491.83/7,245.56
  6. Step 6: Final answer
    x = 9,816.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.