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Finding the Fourth Proportional to 17,388, 26,082 and 5,076

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Solution

The fourth proportional to 17,388, 26,082 and 5,076 is: 7,614

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388 : 26,082 = 5,076 : x
  2. Step 2: Convert to fraction form
    17,388/26,082 = 5,076/x
  3. Step 3: Cross multiply
    17,388x = 26,082 × 5,076
  4. Step 4: Simplify right side
    17,388x = 132,392,232
  5. Step 5: Solve for x
    x = 132,392,232/17,388
  6. Step 6: Final answer
    x = 7,614

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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.