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Finding the Fourth Proportional to 8,011.52, 12,019.88 and 3,851.85

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Solution

The fourth proportional to 8,011.52, 12,019.88 and 3,851.85 is: 5,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.52 : 12,019.88 = 3,851.85 : x
  2. Step 2: Convert to fraction form
    8,011.52/12,019.88 = 3,851.85/x
  3. Step 3: Cross multiply
    8,011.52x = 12,019.88 × 3,851.85
  4. Step 4: Simplify right side
    8,011.52x = 46,298,755.52
  5. Step 5: Solve for x
    x = 46,298,755.52/8,011.52
  6. Step 6: Final answer
    x = 5,779.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.