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Finding the Fourth Proportional to 66,583.06, 99,874.97 and 22,209.68

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Solution

The fourth proportional to 66,583.06, 99,874.97 and 22,209.68 is: 33,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,583.06 : 99,874.97 = 22,209.68 : x
  2. Step 2: Convert to fraction form
    66,583.06/99,874.97 = 22,209.68/x
  3. Step 3: Cross multiply
    66,583.06x = 99,874.97 × 22,209.68
  4. Step 4: Simplify right side
    66,583.06x = 2,218,191,123.71
  5. Step 5: Solve for x
    x = 2,218,191,123.71/66,583.06
  6. Step 6: Final answer
    x = 33,314.65

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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.