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Finding the Fourth Proportional to 37,736.30, 56,523.84 and 28,751.78

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Solution

The fourth proportional to 37,736.30, 56,523.84 and 28,751.78 is: 43,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,736.30 : 56,523.84 = 28,751.78 : x
  2. Step 2: Convert to fraction form
    37,736.30/56,523.84 = 28,751.78/x
  3. Step 3: Cross multiply
    37,736.30x = 56,523.84 × 28,751.78
  4. Step 4: Simplify right side
    37,736.30x = 1,625,160,729.82
  5. Step 5: Solve for x
    x = 1,625,160,729.82/37,736.30
  6. Step 6: Final answer
    x = 43,066.25

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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.