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Finding the Fourth Proportional to 18,464.16, 25,480.44 and 10,080.60

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Solution

The fourth proportional to 18,464.16, 25,480.44 and 10,080.60 is: 13,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.16 : 25,480.44 = 10,080.60 : x
  2. Step 2: Convert to fraction form
    18,464.16/25,480.44 = 10,080.60/x
  3. Step 3: Cross multiply
    18,464.16x = 25,480.44 × 10,080.60
  4. Step 4: Simplify right side
    18,464.16x = 256,858,123.46
  5. Step 5: Solve for x
    x = 256,858,123.46/18,464.16
  6. Step 6: Final answer
    x = 13,911.17

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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.