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Finding the Fourth Proportional to 65,595.56, 90,505.77 and 38,367.41

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Solution

The fourth proportional to 65,595.56, 90,505.77 and 38,367.41 is: 52,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,595.56 : 90,505.77 = 38,367.41 : x
  2. Step 2: Convert to fraction form
    65,595.56/90,505.77 = 38,367.41/x
  3. Step 3: Cross multiply
    65,595.56x = 90,505.77 × 38,367.41
  4. Step 4: Simplify right side
    65,595.56x = 3,472,471,984.96
  5. Step 5: Solve for x
    x = 3,472,471,984.96/65,595.56
  6. Step 6: Final answer
    x = 52,937.61

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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.