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Finding the Fourth Proportional to 22,461.44, 33,690.92 and 6,879.08

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Solution

The fourth proportional to 22,461.44, 33,690.92 and 6,879.08 is: 10,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,461.44 : 33,690.92 = 6,879.08 : x
  2. Step 2: Convert to fraction form
    22,461.44/33,690.92 = 6,879.08/x
  3. Step 3: Cross multiply
    22,461.44x = 33,690.92 × 6,879.08
  4. Step 4: Simplify right side
    22,461.44x = 231,762,533.95
  5. Step 5: Solve for x
    x = 231,762,533.95/22,461.44
  6. Step 6: Final answer
    x = 10,318.24

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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.