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Finding the Fourth Proportional to 65,737.42, 90,759.22 and 50,601.62

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Solution

The fourth proportional to 65,737.42, 90,759.22 and 50,601.62 is: 69,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,737.42 : 90,759.22 = 50,601.62 : x
  2. Step 2: Convert to fraction form
    65,737.42/90,759.22 = 50,601.62/x
  3. Step 3: Cross multiply
    65,737.42x = 90,759.22 × 50,601.62
  4. Step 4: Simplify right side
    65,737.42x = 4,592,563,561.94
  5. Step 5: Solve for x
    x = 4,592,563,561.94/65,737.42
  6. Step 6: Final answer
    x = 69,862.24

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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.