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Finding the Fourth Proportional to 17,232, 25,848 and 4,920

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Solution

The fourth proportional to 17,232, 25,848 and 4,920 is: 7,380

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,232 : 25,848 = 4,920 : x
  2. Step 2: Convert to fraction form
    17,232/25,848 = 4,920/x
  3. Step 3: Cross multiply
    17,232x = 25,848 × 4,920
  4. Step 4: Simplify right side
    17,232x = 127,172,160
  5. Step 5: Solve for x
    x = 127,172,160/17,232
  6. Step 6: Final answer
    x = 7,380

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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.