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Finding the Fourth Proportional to 18,334.62, 25,301.76 and 9,951.12

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Solution

The fourth proportional to 18,334.62, 25,301.76 and 9,951.12 is: 13,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.62 : 25,301.76 = 9,951.12 : x
  2. Step 2: Convert to fraction form
    18,334.62/25,301.76 = 9,951.12/x
  3. Step 3: Cross multiply
    18,334.62x = 25,301.76 × 9,951.12
  4. Step 4: Simplify right side
    18,334.62x = 251,780,748.34
  5. Step 5: Solve for x
    x = 251,780,748.34/18,334.62
  6. Step 6: Final answer
    x = 13,732.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.