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Finding the Fourth Proportional to 65,229.57, 90,014.29 and 36,935.33

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Solution

The fourth proportional to 65,229.57, 90,014.29 and 36,935.33 is: 50,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,229.57 : 90,014.29 = 36,935.33 : x
  2. Step 2: Convert to fraction form
    65,229.57/90,014.29 = 36,935.33/x
  3. Step 3: Cross multiply
    65,229.57x = 90,014.29 × 36,935.33
  4. Step 4: Simplify right side
    65,229.57x = 3,324,706,963.46
  5. Step 5: Solve for x
    x = 3,324,706,963.46/65,229.57
  6. Step 6: Final answer
    x = 50,969.32

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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.