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Finding the Fourth Proportional to 21,744.58, 32,616.99 and 6,162.22

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Solution

The fourth proportional to 21,744.58, 32,616.99 and 6,162.22 is: 9,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.58 : 32,616.99 = 6,162.22 : x
  2. Step 2: Convert to fraction form
    21,744.58/32,616.99 = 6,162.22/x
  3. Step 3: Cross multiply
    21,744.58x = 32,616.99 × 6,162.22
  4. Step 4: Simplify right side
    21,744.58x = 200,993,068.12
  5. Step 5: Solve for x
    x = 200,993,068.12/21,744.58
  6. Step 6: Final answer
    x = 9,243.36

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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.