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Finding the Fourth Proportional to 44,199, 66,209.81 and 21,945.06

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Solution

The fourth proportional to 44,199, 66,209.81 and 21,945.06 is: 32,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,199 : 66,209.81 = 21,945.06 : x
  2. Step 2: Convert to fraction form
    44,199/66,209.81 = 21,945.06/x
  3. Step 3: Cross multiply
    44,199x = 66,209.81 × 21,945.06
  4. Step 4: Simplify right side
    44,199x = 1,452,978,143.31
  5. Step 5: Solve for x
    x = 1,452,978,143.31/44,199
  6. Step 6: Final answer
    x = 32,873.55

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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.