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Finding the Fourth Proportional to 7,230.10, 10,845.16 and 2,845.16

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Solution

The fourth proportional to 7,230.10, 10,845.16 and 2,845.16 is: 4,267.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230.10 : 10,845.16 = 2,845.16 : x
  2. Step 2: Convert to fraction form
    7,230.10/10,845.16 = 2,845.16/x
  3. Step 3: Cross multiply
    7,230.10x = 10,845.16 × 2,845.16
  4. Step 4: Simplify right side
    7,230.10x = 30,856,215.43
  5. Step 5: Solve for x
    x = 30,856,215.43/7,230.10
  6. Step 6: Final answer
    x = 4,267.74

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Similar ratio
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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.