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Finding the Fourth Proportional to 12,182.01, 18,272.88 and 3,862.02

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Solution

The fourth proportional to 12,182.01, 18,272.88 and 3,862.02 is: 5,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.01 : 18,272.88 = 3,862.02 : x
  2. Step 2: Convert to fraction form
    12,182.01/18,272.88 = 3,862.02/x
  3. Step 3: Cross multiply
    12,182.01x = 18,272.88 × 3,862.02
  4. Step 4: Simplify right side
    12,182.01x = 70,570,228.02
  5. Step 5: Solve for x
    x = 70,570,228.02/12,182.01
  6. Step 6: Final answer
    x = 5,792.99

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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.