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Finding the Fourth Proportional to 3,832.13, 5,749.57 and 1,885.70

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Solution

The fourth proportional to 3,832.13, 5,749.57 and 1,885.70 is: 2,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.13 : 5,749.57 = 1,885.70 : x
  2. Step 2: Convert to fraction form
    3,832.13/5,749.57 = 1,885.70/x
  3. Step 3: Cross multiply
    3,832.13x = 5,749.57 × 1,885.70
  4. Step 4: Simplify right side
    3,832.13x = 10,841,935.40
  5. Step 5: Solve for x
    x = 10,841,935.40/3,832.13
  6. Step 6: Final answer
    x = 2,829.22

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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.