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Finding the Fourth Proportional to 17,015.70, 25,474.95 and 15,266.10

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Solution

The fourth proportional to 17,015.70, 25,474.95 and 15,266.10 is: 22,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,015.70 : 25,474.95 = 15,266.10 : x
  2. Step 2: Convert to fraction form
    17,015.70/25,474.95 = 15,266.10/x
  3. Step 3: Cross multiply
    17,015.70x = 25,474.95 × 15,266.10
  4. Step 4: Simplify right side
    17,015.70x = 388,903,134.20
  5. Step 5: Solve for x
    x = 388,903,134.20/17,015.70
  6. Step 6: Final answer
    x = 22,855.55

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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.