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Finding the Fourth Proportional to 22,003.40, 33,009.96 and 10,916.12

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Solution

The fourth proportional to 22,003.40, 33,009.96 and 10,916.12 is: 16,376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,003.40 : 33,009.96 = 10,916.12 : x
  2. Step 2: Convert to fraction form
    22,003.40/33,009.96 = 10,916.12/x
  3. Step 3: Cross multiply
    22,003.40x = 33,009.96 × 10,916.12
  4. Step 4: Simplify right side
    22,003.40x = 360,340,684.56
  5. Step 5: Solve for x
    x = 360,340,684.56/22,003.40
  6. Step 6: Final answer
    x = 16,376.59

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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.