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Finding the Fourth Proportional to 36,168.16, 49,916.64 and 22,020.16

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Solution

The fourth proportional to 36,168.16, 49,916.64 and 22,020.16 is: 30,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,168.16 : 49,916.64 = 22,020.16 : x
  2. Step 2: Convert to fraction form
    36,168.16/49,916.64 = 22,020.16/x
  3. Step 3: Cross multiply
    36,168.16x = 49,916.64 × 22,020.16
  4. Step 4: Simplify right side
    36,168.16x = 1,099,172,399.46
  5. Step 5: Solve for x
    x = 1,099,172,399.46/36,168.16
  6. Step 6: Final answer
    x = 30,390.61

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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.