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Finding the Fourth Proportional to 66,524.52, 99,700.38 and 27,035.68

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Solution

The fourth proportional to 66,524.52, 99,700.38 and 27,035.68 is: 40,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,524.52 : 99,700.38 = 27,035.68 : x
  2. Step 2: Convert to fraction form
    66,524.52/99,700.38 = 27,035.68/x
  3. Step 3: Cross multiply
    66,524.52x = 99,700.38 × 27,035.68
  4. Step 4: Simplify right side
    66,524.52x = 2,695,467,569.56
  5. Step 5: Solve for x
    x = 2,695,467,569.56/66,524.52
  6. Step 6: Final answer
    x = 40,518.41

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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.