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Finding the Fourth Proportional to 18,175.56, 25,080.02 and 10,520.16

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Solution

The fourth proportional to 18,175.56, 25,080.02 and 10,520.16 is: 14,516.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.56 : 25,080.02 = 10,520.16 : x
  2. Step 2: Convert to fraction form
    18,175.56/25,080.02 = 10,520.16/x
  3. Step 3: Cross multiply
    18,175.56x = 25,080.02 × 10,520.16
  4. Step 4: Simplify right side
    18,175.56x = 263,845,823.20
  5. Step 5: Solve for x
    x = 263,845,823.20/18,175.56
  6. Step 6: Final answer
    x = 14,516.52

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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.