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Finding the Fourth Proportional to 66,062.88, 91,144.44 and 37,748.52

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Solution

The fourth proportional to 66,062.88, 91,144.44 and 37,748.52 is: 52,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,062.88 : 91,144.44 = 37,748.52 : x
  2. Step 2: Convert to fraction form
    66,062.88/91,144.44 = 37,748.52/x
  3. Step 3: Cross multiply
    66,062.88x = 91,144.44 × 37,748.52
  4. Step 4: Simplify right side
    66,062.88x = 3,440,567,716.23
  5. Step 5: Solve for x
    x = 3,440,567,716.23/66,062.88
  6. Step 6: Final answer
    x = 52,080.20

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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.