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Finding the Fourth Proportional to 77,406.44, 116,107.22 and 22,002.44

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Solution

The fourth proportional to 77,406.44, 116,107.22 and 22,002.44 is: 33,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,406.44 : 116,107.22 = 22,002.44 : x
  2. Step 2: Convert to fraction form
    77,406.44/116,107.22 = 22,002.44/x
  3. Step 3: Cross multiply
    77,406.44x = 116,107.22 × 22,002.44
  4. Step 4: Simplify right side
    77,406.44x = 2,554,642,141.62
  5. Step 5: Solve for x
    x = 2,554,642,141.62/77,406.44
  6. Step 6: Final answer
    x = 33,002.97

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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.