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Finding the Fourth Proportional to 4,416, 6,624 and 1,984

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Solution

The fourth proportional to 4,416, 6,624 and 1,984 is: 2,976

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416 : 6,624 = 1,984 : x
  2. Step 2: Convert to fraction form
    4,416/6,624 = 1,984/x
  3. Step 3: Cross multiply
    4,416x = 6,624 × 1,984
  4. Step 4: Simplify right side
    4,416x = 13,142,016
  5. Step 5: Solve for x
    x = 13,142,016/4,416
  6. Step 6: Final answer
    x = 2,976

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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.