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Finding the Fourth Proportional to 65,937.28, 90,997.08 and 37,652.08

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Solution

The fourth proportional to 65,937.28, 90,997.08 and 37,652.08 is: 51,961.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,937.28 : 90,997.08 = 37,652.08 : x
  2. Step 2: Convert to fraction form
    65,937.28/90,997.08 = 37,652.08/x
  3. Step 3: Cross multiply
    65,937.28x = 90,997.08 × 37,652.08
  4. Step 4: Simplify right side
    65,937.28x = 3,426,229,335.93
  5. Step 5: Solve for x
    x = 3,426,229,335.93/65,937.28
  6. Step 6: Final answer
    x = 51,961.95

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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.