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Finding the Fourth Proportional to 6,895.75, 9,516.08 and 3,751.94

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Solution

The fourth proportional to 6,895.75, 9,516.08 and 3,751.94 is: 5,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.75 : 9,516.08 = 3,751.94 : x
  2. Step 2: Convert to fraction form
    6,895.75/9,516.08 = 3,751.94/x
  3. Step 3: Cross multiply
    6,895.75x = 9,516.08 × 3,751.94
  4. Step 4: Simplify right side
    6,895.75x = 35,703,761.20
  5. Step 5: Solve for x
    x = 35,703,761.20/6,895.75
  6. Step 6: Final answer
    x = 5,177.65

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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.