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Finding the Fourth Proportional to 18,154.96, 27,213.08 and 10,346.96

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Solution

The fourth proportional to 18,154.96, 27,213.08 and 10,346.96 is: 15,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.96 : 27,213.08 = 10,346.96 : x
  2. Step 2: Convert to fraction form
    18,154.96/27,213.08 = 10,346.96/x
  3. Step 3: Cross multiply
    18,154.96x = 27,213.08 × 10,346.96
  4. Step 4: Simplify right side
    18,154.96x = 281,572,650.24
  5. Step 5: Solve for x
    x = 281,572,650.24/18,154.96
  6. Step 6: Final answer
    x = 15,509.41

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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.