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Finding the Fourth Proportional to 7,206.92, 10,810.39 and 1,941.95

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Solution

The fourth proportional to 7,206.92, 10,810.39 and 1,941.95 is: 2,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.92 : 10,810.39 = 1,941.95 : x
  2. Step 2: Convert to fraction form
    7,206.92/10,810.39 = 1,941.95/x
  3. Step 3: Cross multiply
    7,206.92x = 10,810.39 × 1,941.95
  4. Step 4: Simplify right side
    7,206.92x = 20,993,177.95
  5. Step 5: Solve for x
    x = 20,993,177.95/7,206.92
  6. Step 6: Final answer
    x = 2,912.92

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Double scale
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Similar ratio
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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.