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Finding the Fourth Proportional to 18,260.16, 25,199.02 and 9,876.66

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Solution

The fourth proportional to 18,260.16, 25,199.02 and 9,876.66 is: 13,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.16 : 25,199.02 = 9,876.66 : x
  2. Step 2: Convert to fraction form
    18,260.16/25,199.02 = 9,876.66/x
  3. Step 3: Cross multiply
    18,260.16x = 25,199.02 × 9,876.66
  4. Step 4: Simplify right side
    18,260.16x = 248,882,152.87
  5. Step 5: Solve for x
    x = 248,882,152.87/18,260.16
  6. Step 6: Final answer
    x = 13,629.79

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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.