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Finding the Fourth Proportional to 22,347.99, 30,841.11 and 12,276.90

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Solution

The fourth proportional to 22,347.99, 30,841.11 and 12,276.90 is: 16,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.99 : 30,841.11 = 12,276.90 : x
  2. Step 2: Convert to fraction form
    22,347.99/30,841.11 = 12,276.90/x
  3. Step 3: Cross multiply
    22,347.99x = 30,841.11 × 12,276.90
  4. Step 4: Simplify right side
    22,347.99x = 378,633,223.36
  5. Step 5: Solve for x
    x = 378,633,223.36/22,347.99
  6. Step 6: Final answer
    x = 16,942.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.