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Finding the Fourth Proportional to 65,591.08, 90,512.49 and 37,296.16

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Solution

The fourth proportional to 65,591.08, 90,512.49 and 37,296.16 is: 51,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,591.08 : 90,512.49 = 37,296.16 : x
  2. Step 2: Convert to fraction form
    65,591.08/90,512.49 = 37,296.16/x
  3. Step 3: Cross multiply
    65,591.08x = 90,512.49 × 37,296.16
  4. Step 4: Simplify right side
    65,591.08x = 3,375,768,309.04
  5. Step 5: Solve for x
    x = 3,375,768,309.04/65,591.08
  6. Step 6: Final answer
    x = 51,466.88

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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.