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Finding the Fourth Proportional to 4,803.38, 6,631.17 and 3,409.46

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Solution

The fourth proportional to 4,803.38, 6,631.17 and 3,409.46 is: 4,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.38 : 6,631.17 = 3,409.46 : x
  2. Step 2: Convert to fraction form
    4,803.38/6,631.17 = 3,409.46/x
  3. Step 3: Cross multiply
    4,803.38x = 6,631.17 × 3,409.46
  4. Step 4: Simplify right side
    4,803.38x = 22,608,708.87
  5. Step 5: Solve for x
    x = 22,608,708.87/4,803.38
  6. Step 6: Final answer
    x = 4,706.83

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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.