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Finding the Fourth Proportional to 18,182.17, 25,074.75 and 11,802.16

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Solution

The fourth proportional to 18,182.17, 25,074.75 and 11,802.16 is: 16,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.17 : 25,074.75 = 11,802.16 : x
  2. Step 2: Convert to fraction form
    18,182.17/25,074.75 = 11,802.16/x
  3. Step 3: Cross multiply
    18,182.17x = 25,074.75 × 11,802.16
  4. Step 4: Simplify right side
    18,182.17x = 295,936,211.46
  5. Step 5: Solve for x
    x = 295,936,211.46/18,182.17
  6. Step 6: Final answer
    x = 16,276.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.