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Finding the Fourth Proportional to 22,069.63, 33,104.74 and 12,228.13

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Solution

The fourth proportional to 22,069.63, 33,104.74 and 12,228.13 is: 18,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.63 : 33,104.74 = 12,228.13 : x
  2. Step 2: Convert to fraction form
    22,069.63/33,104.74 = 12,228.13/x
  3. Step 3: Cross multiply
    22,069.63x = 33,104.74 × 12,228.13
  4. Step 4: Simplify right side
    22,069.63x = 404,808,898.81
  5. Step 5: Solve for x
    x = 404,808,898.81/22,069.63
  6. Step 6: Final answer
    x = 18,342.36

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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.