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Finding the Fourth Proportional to 66,950.52, 100,355.68 and 22,561.93

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Solution

The fourth proportional to 66,950.52, 100,355.68 and 22,561.93 is: 33,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,950.52 : 100,355.68 = 22,561.93 : x
  2. Step 2: Convert to fraction form
    66,950.52/100,355.68 = 22,561.93/x
  3. Step 3: Cross multiply
    66,950.52x = 100,355.68 × 22,561.93
  4. Step 4: Simplify right side
    66,950.52x = 2,264,217,827.26
  5. Step 5: Solve for x
    x = 2,264,217,827.26/66,950.52
  6. Step 6: Final answer
    x = 33,819.27

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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.