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Finding the Fourth Proportional to 45,021, 67,573.87 and 22,850.28

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Solution

The fourth proportional to 45,021, 67,573.87 and 22,850.28 is: 34,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,021 : 67,573.87 = 22,850.28 : x
  2. Step 2: Convert to fraction form
    45,021/67,573.87 = 22,850.28/x
  3. Step 3: Cross multiply
    45,021x = 67,573.87 × 22,850.28
  4. Step 4: Simplify right side
    45,021x = 1,544,081,850.18
  5. Step 5: Solve for x
    x = 1,544,081,850.18/45,021
  6. Step 6: Final answer
    x = 34,296.92

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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.