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Finding the Fourth Proportional to 18,304.50, 25,251.75 and 10,748.43

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Solution

The fourth proportional to 18,304.50, 25,251.75 and 10,748.43 is: 14,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.50 : 25,251.75 = 10,748.43 : x
  2. Step 2: Convert to fraction form
    18,304.50/25,251.75 = 10,748.43/x
  3. Step 3: Cross multiply
    18,304.50x = 25,251.75 × 10,748.43
  4. Step 4: Simplify right side
    18,304.50x = 271,416,667.25
  5. Step 5: Solve for x
    x = 271,416,667.25/18,304.50
  6. Step 6: Final answer
    x = 14,827.87

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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.