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Finding the Fourth Proportional to 18,322.67, 27,484.07 and 4,471.67

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Solution

The fourth proportional to 18,322.67, 27,484.07 and 4,471.67 is: 6,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.67 : 27,484.07 = 4,471.67 : x
  2. Step 2: Convert to fraction form
    18,322.67/27,484.07 = 4,471.67/x
  3. Step 3: Cross multiply
    18,322.67x = 27,484.07 × 4,471.67
  4. Step 4: Simplify right side
    18,322.67x = 122,899,691.30
  5. Step 5: Solve for x
    x = 122,899,691.30/18,322.67
  6. Step 6: Final answer
    x = 6,707.52

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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.