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Finding the Fourth Proportional to 18,473.01, 27,705.29 and 7,376.71

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Solution

The fourth proportional to 18,473.01, 27,705.29 and 7,376.71 is: 11,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.01 : 27,705.29 = 7,376.71 : x
  2. Step 2: Convert to fraction form
    18,473.01/27,705.29 = 7,376.71/x
  3. Step 3: Cross multiply
    18,473.01x = 27,705.29 × 7,376.71
  4. Step 4: Simplify right side
    18,473.01x = 204,373,852.91
  5. Step 5: Solve for x
    x = 204,373,852.91/18,473.01
  6. Step 6: Final answer
    x = 11,063.38

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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.