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Finding the Fourth Proportional to 7,093.96, 10,640.94 and 1,899.70

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Solution

The fourth proportional to 7,093.96, 10,640.94 and 1,899.70 is: 2,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.96 : 10,640.94 = 1,899.70 : x
  2. Step 2: Convert to fraction form
    7,093.96/10,640.94 = 1,899.70/x
  3. Step 3: Cross multiply
    7,093.96x = 10,640.94 × 1,899.70
  4. Step 4: Simplify right side
    7,093.96x = 20,214,593.72
  5. Step 5: Solve for x
    x = 20,214,593.72/7,093.96
  6. Step 6: Final answer
    x = 2,849.55

Related Problems

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Half scale
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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.