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Finding the Fourth Proportional to 66,716.49, 100,050.47 and 22,332.69

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Solution

The fourth proportional to 66,716.49, 100,050.47 and 22,332.69 is: 33,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,716.49 : 100,050.47 = 22,332.69 : x
  2. Step 2: Convert to fraction form
    66,716.49/100,050.47 = 22,332.69/x
  3. Step 3: Cross multiply
    66,716.49x = 100,050.47 × 22,332.69
  4. Step 4: Simplify right side
    66,716.49x = 2,234,395,758.75
  5. Step 5: Solve for x
    x = 2,234,395,758.75/66,716.49
  6. Step 6: Final answer
    x = 33,490.91

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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.