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Finding the Fourth Proportional to 65,227.44, 90,017.28 and 36,935.76

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Solution

The fourth proportional to 65,227.44, 90,017.28 and 36,935.76 is: 50,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,227.44 : 90,017.28 = 36,935.76 : x
  2. Step 2: Convert to fraction form
    65,227.44/90,017.28 = 36,935.76/x
  3. Step 3: Cross multiply
    65,227.44x = 90,017.28 × 36,935.76
  4. Step 4: Simplify right side
    65,227.44x = 3,324,856,649.93
  5. Step 5: Solve for x
    x = 3,324,856,649.93/65,227.44
  6. Step 6: Final answer
    x = 50,973.28

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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.