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Finding the Fourth Proportional to 17,254.53, 25,868.61 and 7,888.05

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Solution

The fourth proportional to 17,254.53, 25,868.61 and 7,888.05 is: 11,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,254.53 : 25,868.61 = 7,888.05 : x
  2. Step 2: Convert to fraction form
    17,254.53/25,868.61 = 7,888.05/x
  3. Step 3: Cross multiply
    17,254.53x = 25,868.61 × 7,888.05
  4. Step 4: Simplify right side
    17,254.53x = 204,052,889.11
  5. Step 5: Solve for x
    x = 204,052,889.11/17,254.53
  6. Step 6: Final answer
    x = 11,826.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.