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Finding the Fourth Proportional to 66,052, 91,156.56 and 37,756.96

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Solution

The fourth proportional to 66,052, 91,156.56 and 37,756.96 is: 52,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,052 : 91,156.56 = 37,756.96 : x
  2. Step 2: Convert to fraction form
    66,052/91,156.56 = 37,756.96/x
  3. Step 3: Cross multiply
    66,052x = 91,156.56 × 37,756.96
  4. Step 4: Simplify right side
    66,052x = 3,441,794,589.66
  5. Step 5: Solve for x
    x = 3,441,794,589.66/66,052
  6. Step 6: Final answer
    x = 52,107.35

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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.