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Finding the Fourth Proportional to 18,322.92, 27,484.45 and 4,471.92

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Solution

The fourth proportional to 18,322.92, 27,484.45 and 4,471.92 is: 6,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.92 : 27,484.45 = 4,471.92 : x
  2. Step 2: Convert to fraction form
    18,322.92/27,484.45 = 4,471.92/x
  3. Step 3: Cross multiply
    18,322.92x = 27,484.45 × 4,471.92
  4. Step 4: Simplify right side
    18,322.92x = 122,908,239.28
  5. Step 5: Solve for x
    x = 122,908,239.28/18,322.92
  6. Step 6: Final answer
    x = 6,707.90

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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.