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Finding the Fourth Proportional to 8,007.03, 12,010.61 and 5,079.20

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Solution

The fourth proportional to 8,007.03, 12,010.61 and 5,079.20 is: 7,618.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.03 : 12,010.61 = 5,079.20 : x
  2. Step 2: Convert to fraction form
    8,007.03/12,010.61 = 5,079.20/x
  3. Step 3: Cross multiply
    8,007.03x = 12,010.61 × 5,079.20
  4. Step 4: Simplify right side
    8,007.03x = 61,004,204.86
  5. Step 5: Solve for x
    x = 61,004,204.86/8,007.03
  6. Step 6: Final answer
    x = 7,618.83

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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.