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Finding the Fourth Proportional to 7,160.70, 10,737.18 and 2,776.98

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Solution

The fourth proportional to 7,160.70, 10,737.18 and 2,776.98 is: 4,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.70 : 10,737.18 = 2,776.98 : x
  2. Step 2: Convert to fraction form
    7,160.70/10,737.18 = 2,776.98/x
  3. Step 3: Cross multiply
    7,160.70x = 10,737.18 × 2,776.98
  4. Step 4: Simplify right side
    7,160.70x = 29,816,934.12
  5. Step 5: Solve for x
    x = 29,816,934.12/7,160.70
  6. Step 6: Final answer
    x = 4,163.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.