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Finding the Fourth Proportional to 66,709.52, 100,064.45 and 24,571.37

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Solution

The fourth proportional to 66,709.52, 100,064.45 and 24,571.37 is: 36,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,709.52 : 100,064.45 = 24,571.37 : x
  2. Step 2: Convert to fraction form
    66,709.52/100,064.45 = 24,571.37/x
  3. Step 3: Cross multiply
    66,709.52x = 100,064.45 × 24,571.37
  4. Step 4: Simplify right side
    66,709.52x = 2,458,720,185.90
  5. Step 5: Solve for x
    x = 2,458,720,185.90/66,709.52
  6. Step 6: Final answer
    x = 36,857.11

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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.