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Finding the Fourth Proportional to 65,744.33, 90,726.95 and 37,454.81

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Solution

The fourth proportional to 65,744.33, 90,726.95 and 37,454.81 is: 51,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,744.33 : 90,726.95 = 37,454.81 : x
  2. Step 2: Convert to fraction form
    65,744.33/90,726.95 = 37,454.81/x
  3. Step 3: Cross multiply
    65,744.33x = 90,726.95 × 37,454.81
  4. Step 4: Simplify right side
    65,744.33x = 3,398,160,314.13
  5. Step 5: Solve for x
    x = 3,398,160,314.13/65,744.33
  6. Step 6: Final answer
    x = 51,687.51

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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.