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Finding the Fourth Proportional to 18,254.90, 25,191.72 and 10,297.10

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Solution

The fourth proportional to 18,254.90, 25,191.72 and 10,297.10 is: 14,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.90 : 25,191.72 = 10,297.10 : x
  2. Step 2: Convert to fraction form
    18,254.90/25,191.72 = 10,297.10/x
  3. Step 3: Cross multiply
    18,254.90x = 25,191.72 × 10,297.10
  4. Step 4: Simplify right side
    18,254.90x = 259,401,534.05
  5. Step 5: Solve for x
    x = 259,401,534.05/18,254.90
  6. Step 6: Final answer
    x = 14,209.97

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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.