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Finding the Fourth Proportional to 65,494.96, 90,376.44 and 37,195.12

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Solution

The fourth proportional to 65,494.96, 90,376.44 and 37,195.12 is: 51,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,494.96 : 90,376.44 = 37,195.12 : x
  2. Step 2: Convert to fraction form
    65,494.96/90,376.44 = 37,195.12/x
  3. Step 3: Cross multiply
    65,494.96x = 90,376.44 × 37,195.12
  4. Step 4: Simplify right side
    65,494.96x = 3,361,562,530.97
  5. Step 5: Solve for x
    x = 3,361,562,530.97/65,494.96
  6. Step 6: Final answer
    x = 51,325.51

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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.