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Finding the Fourth Proportional to 17,818.92, 26,719.98 and 5,334.12

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Solution

The fourth proportional to 17,818.92, 26,719.98 and 5,334.12 is: 7,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.92 : 26,719.98 = 5,334.12 : x
  2. Step 2: Convert to fraction form
    17,818.92/26,719.98 = 5,334.12/x
  3. Step 3: Cross multiply
    17,818.92x = 26,719.98 × 5,334.12
  4. Step 4: Simplify right side
    17,818.92x = 142,527,579.72
  5. Step 5: Solve for x
    x = 142,527,579.72/17,818.92
  6. Step 6: Final answer
    x = 7,998.67

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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.