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Finding the Fourth Proportional to 5,161.01, 7,741.51 and 1,874.09

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Solution

The fourth proportional to 5,161.01, 7,741.51 and 1,874.09 is: 2,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.01 : 7,741.51 = 1,874.09 : x
  2. Step 2: Convert to fraction form
    5,161.01/7,741.51 = 1,874.09/x
  3. Step 3: Cross multiply
    5,161.01x = 7,741.51 × 1,874.09
  4. Step 4: Simplify right side
    5,161.01x = 14,508,301.14
  5. Step 5: Solve for x
    x = 14,508,301.14/5,161.01
  6. Step 6: Final answer
    x = 2,811.14

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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.