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Finding the Fourth Proportional to 65,999.96, 91,079.39 and 37,325.25

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Solution

The fourth proportional to 65,999.96, 91,079.39 and 37,325.25 is: 51,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,999.96 : 91,079.39 = 37,325.25 : x
  2. Step 2: Convert to fraction form
    65,999.96/91,079.39 = 37,325.25/x
  3. Step 3: Cross multiply
    65,999.96x = 91,079.39 × 37,325.25
  4. Step 4: Simplify right side
    65,999.96x = 3,399,560,814.97
  5. Step 5: Solve for x
    x = 3,399,560,814.97/65,999.96
  6. Step 6: Final answer
    x = 51,508.53

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1.5x scale

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.