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Finding the Fourth Proportional to 14,928, 22,392 and 3,984

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Solution

The fourth proportional to 14,928, 22,392 and 3,984 is: 5,976

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928 : 22,392 = 3,984 : x
  2. Step 2: Convert to fraction form
    14,928/22,392 = 3,984/x
  3. Step 3: Cross multiply
    14,928x = 22,392 × 3,984
  4. Step 4: Simplify right side
    14,928x = 89,209,728
  5. Step 5: Solve for x
    x = 89,209,728/14,928
  6. Step 6: Final answer
    x = 5,976

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.