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Finding the Fourth Proportional to 67,229.70, 92,576.88 and 65,737.90

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Solution

The fourth proportional to 67,229.70, 92,576.88 and 65,737.90 is: 90,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,229.70 : 92,576.88 = 65,737.90 : x
  2. Step 2: Convert to fraction form
    67,229.70/92,576.88 = 65,737.90/x
  3. Step 3: Cross multiply
    67,229.70x = 92,576.88 × 65,737.90
  4. Step 4: Simplify right side
    67,229.70x = 6,085,809,679.75
  5. Step 5: Solve for x
    x = 6,085,809,679.75/67,229.70
  6. Step 6: Final answer
    x = 90,522.64

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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.