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Finding the Fourth Proportional to 66,372, 99,558 and 22,596

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Solution

The fourth proportional to 66,372, 99,558 and 22,596 is: 33,894

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,372 : 99,558 = 22,596 : x
  2. Step 2: Convert to fraction form
    66,372/99,558 = 22,596/x
  3. Step 3: Cross multiply
    66,372x = 99,558 × 22,596
  4. Step 4: Simplify right side
    66,372x = 2,249,612,568
  5. Step 5: Solve for x
    x = 2,249,612,568/66,372
  6. Step 6: Final answer
    x = 33,894

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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.