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Finding the Fourth Proportional to 10,149.84, 15,212.88 and 4,304.88

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Solution

The fourth proportional to 10,149.84, 15,212.88 and 4,304.88 is: 6,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.84 : 15,212.88 = 4,304.88 : x
  2. Step 2: Convert to fraction form
    10,149.84/15,212.88 = 4,304.88/x
  3. Step 3: Cross multiply
    10,149.84x = 15,212.88 × 4,304.88
  4. Step 4: Simplify right side
    10,149.84x = 65,489,622.85
  5. Step 5: Solve for x
    x = 65,489,622.85/10,149.84
  6. Step 6: Final answer
    x = 6,452.28

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1.5x scale

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.