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Finding the Fourth Proportional to 17,260.33, 25,868.85 and 7,388.02

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Solution

The fourth proportional to 17,260.33, 25,868.85 and 7,388.02 is: 11,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,260.33 : 25,868.85 = 7,388.02 : x
  2. Step 2: Convert to fraction form
    17,260.33/25,868.85 = 7,388.02/x
  3. Step 3: Cross multiply
    17,260.33x = 25,868.85 × 7,388.02
  4. Step 4: Simplify right side
    17,260.33x = 191,119,581.18
  5. Step 5: Solve for x
    x = 191,119,581.18/17,260.33
  6. Step 6: Final answer
    x = 11,072.77

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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.