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Finding the Fourth Proportional to 8,012.47, 12,018.86 and 2,753.52

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Solution

The fourth proportional to 8,012.47, 12,018.86 and 2,753.52 is: 4,130.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.47 : 12,018.86 = 2,753.52 : x
  2. Step 2: Convert to fraction form
    8,012.47/12,018.86 = 2,753.52/x
  3. Step 3: Cross multiply
    8,012.47x = 12,018.86 × 2,753.52
  4. Step 4: Simplify right side
    8,012.47x = 33,094,148.93
  5. Step 5: Solve for x
    x = 33,094,148.93/8,012.47
  6. Step 6: Final answer
    x = 4,130.33

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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.