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Finding the Fourth Proportional to 17,220.28, 25,797.08 and 10,087.28

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Solution

The fourth proportional to 17,220.28, 25,797.08 and 10,087.28 is: 15,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.28 : 25,797.08 = 10,087.28 : x
  2. Step 2: Convert to fraction form
    17,220.28/25,797.08 = 10,087.28/x
  3. Step 3: Cross multiply
    17,220.28x = 25,797.08 × 10,087.28
  4. Step 4: Simplify right side
    17,220.28x = 260,222,369.14
  5. Step 5: Solve for x
    x = 260,222,369.14/17,220.28
  6. Step 6: Final answer
    x = 15,111.39

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1.5x scale

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.