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Finding the Fourth Proportional to 8,008.74, 12,014.73 and 2,815.02

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Solution

The fourth proportional to 8,008.74, 12,014.73 and 2,815.02 is: 4,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.74 : 12,014.73 = 2,815.02 : x
  2. Step 2: Convert to fraction form
    8,008.74/12,014.73 = 2,815.02/x
  3. Step 3: Cross multiply
    8,008.74x = 12,014.73 × 2,815.02
  4. Step 4: Simplify right side
    8,008.74x = 33,821,705.24
  5. Step 5: Solve for x
    x = 33,821,705.24/8,008.74
  6. Step 6: Final answer
    x = 4,223.10

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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.