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Finding the Fourth Proportional to 10,274.11, 15,402.62 and 8,954.62

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Solution

The fourth proportional to 10,274.11, 15,402.62 and 8,954.62 is: 13,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.11 : 15,402.62 = 8,954.62 : x
  2. Step 2: Convert to fraction form
    10,274.11/15,402.62 = 8,954.62/x
  3. Step 3: Cross multiply
    10,274.11x = 15,402.62 × 8,954.62
  4. Step 4: Simplify right side
    10,274.11x = 137,924,592.98
  5. Step 5: Solve for x
    x = 137,924,592.98/10,274.11
  6. Step 6: Final answer
    x = 13,424.48

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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.