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Finding the Fourth Proportional to 65,891.76, 90,923.84 and 37,592

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Solution

The fourth proportional to 65,891.76, 90,923.84 and 37,592 is: 51,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,891.76 : 90,923.84 = 37,592 : x
  2. Step 2: Convert to fraction form
    65,891.76/90,923.84 = 37,592/x
  3. Step 3: Cross multiply
    65,891.76x = 90,923.84 × 37,592
  4. Step 4: Simplify right side
    65,891.76x = 3,418,008,993.28
  5. Step 5: Solve for x
    x = 3,418,008,993.28/65,891.76
  6. Step 6: Final answer
    x = 51,873.09

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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.