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Finding the Fourth Proportional to 66,122.84, 91,265.40 and 37,844.93

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Solution

The fourth proportional to 66,122.84, 91,265.40 and 37,844.93 is: 52,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,122.84 : 91,265.40 = 37,844.93 : x
  2. Step 2: Convert to fraction form
    66,122.84/91,265.40 = 37,844.93/x
  3. Step 3: Cross multiply
    66,122.84x = 91,265.40 × 37,844.93
  4. Step 4: Simplify right side
    66,122.84x = 3,453,932,902.59
  5. Step 5: Solve for x
    x = 3,453,932,902.59/66,122.84
  6. Step 6: Final answer
    x = 52,235.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.