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Finding the Fourth Proportional to 22,081.70, 30,500.10 and 16,022.22

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Solution

The fourth proportional to 22,081.70, 30,500.10 and 16,022.22 is: 22,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.70 : 30,500.10 = 16,022.22 : x
  2. Step 2: Convert to fraction form
    22,081.70/30,500.10 = 16,022.22/x
  3. Step 3: Cross multiply
    22,081.70x = 30,500.10 × 16,022.22
  4. Step 4: Simplify right side
    22,081.70x = 488,679,232.11
  5. Step 5: Solve for x
    x = 488,679,232.11/22,081.70
  6. Step 6: Final answer
    x = 22,130.51

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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.