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Finding the Fourth Proportional to 14,354, 21,531 and 4,626

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Solution

The fourth proportional to 14,354, 21,531 and 4,626 is: 6,939

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354 : 21,531 = 4,626 : x
  2. Step 2: Convert to fraction form
    14,354/21,531 = 4,626/x
  3. Step 3: Cross multiply
    14,354x = 21,531 × 4,626
  4. Step 4: Simplify right side
    14,354x = 99,602,406
  5. Step 5: Solve for x
    x = 99,602,406/14,354
  6. Step 6: Final answer
    x = 6,939

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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.