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Finding the Fourth Proportional to 15,612, 23,418 and 4,668

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Solution

The fourth proportional to 15,612, 23,418 and 4,668 is: 7,002

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612 : 23,418 = 4,668 : x
  2. Step 2: Convert to fraction form
    15,612/23,418 = 4,668/x
  3. Step 3: Cross multiply
    15,612x = 23,418 × 4,668
  4. Step 4: Simplify right side
    15,612x = 109,315,224
  5. Step 5: Solve for x
    x = 109,315,224/15,612
  6. Step 6: Final answer
    x = 7,002

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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.