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Finding the Fourth Proportional to 65,259.96, 90,065.09 and 36,584.49

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Solution

The fourth proportional to 65,259.96, 90,065.09 and 36,584.49 is: 50,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,259.96 : 90,065.09 = 36,584.49 : x
  2. Step 2: Convert to fraction form
    65,259.96/90,065.09 = 36,584.49/x
  3. Step 3: Cross multiply
    65,259.96x = 90,065.09 × 36,584.49
  4. Step 4: Simplify right side
    65,259.96x = 3,294,985,201.53
  5. Step 5: Solve for x
    x = 3,294,985,201.53/65,259.96
  6. Step 6: Final answer
    x = 50,490.15

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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.