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Finding the Fourth Proportional to 6,808.92, 9,401.04 and 5,240.76

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Solution

The fourth proportional to 6,808.92, 9,401.04 and 5,240.76 is: 7,235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.92 : 9,401.04 = 5,240.76 : x
  2. Step 2: Convert to fraction form
    6,808.92/9,401.04 = 5,240.76/x
  3. Step 3: Cross multiply
    6,808.92x = 9,401.04 × 5,240.76
  4. Step 4: Simplify right side
    6,808.92x = 49,268,594.39
  5. Step 5: Solve for x
    x = 49,268,594.39/6,808.92
  6. Step 6: Final answer
    x = 7,235.89

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Half scale
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Double scale
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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.