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Finding the Fourth Proportional to 7,262.92, 10,880.11 and 4,790.20

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Solution

The fourth proportional to 7,262.92, 10,880.11 and 4,790.20 is: 7,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.92 : 10,880.11 = 4,790.20 : x
  2. Step 2: Convert to fraction form
    7,262.92/10,880.11 = 4,790.20/x
  3. Step 3: Cross multiply
    7,262.92x = 10,880.11 × 4,790.20
  4. Step 4: Simplify right side
    7,262.92x = 52,117,902.92
  5. Step 5: Solve for x
    x = 52,117,902.92/7,262.92
  6. Step 6: Final answer
    x = 7,175.89

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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.