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Finding the Fourth Proportional to 18,314.44, 27,482.94 and 7,219.24

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Solution

The fourth proportional to 18,314.44, 27,482.94 and 7,219.24 is: 10,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.44 : 27,482.94 = 7,219.24 : x
  2. Step 2: Convert to fraction form
    18,314.44/27,482.94 = 7,219.24/x
  3. Step 3: Cross multiply
    18,314.44x = 27,482.94 × 7,219.24
  4. Step 4: Simplify right side
    18,314.44x = 198,405,939.77
  5. Step 5: Solve for x
    x = 198,405,939.77/18,314.44
  6. Step 6: Final answer
    x = 10,833.31

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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.