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Finding the Fourth Proportional to 8,007.30, 12,027.96 and 4,888.80

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Solution

The fourth proportional to 8,007.30, 12,027.96 and 4,888.80 is: 7,343.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.30 : 12,027.96 = 4,888.80 : x
  2. Step 2: Convert to fraction form
    8,007.30/12,027.96 = 4,888.80/x
  3. Step 3: Cross multiply
    8,007.30x = 12,027.96 × 4,888.80
  4. Step 4: Simplify right side
    8,007.30x = 58,802,290.85
  5. Step 5: Solve for x
    x = 58,802,290.85/8,007.30
  6. Step 6: Final answer
    x = 7,343.59

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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.