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Finding the Fourth Proportional to 3,435.56, 4,741.11 and 1,863.69

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Solution

The fourth proportional to 3,435.56, 4,741.11 and 1,863.69 is: 2,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.56 : 4,741.11 = 1,863.69 : x
  2. Step 2: Convert to fraction form
    3,435.56/4,741.11 = 1,863.69/x
  3. Step 3: Cross multiply
    3,435.56x = 4,741.11 × 1,863.69
  4. Step 4: Simplify right side
    3,435.56x = 8,835,959.30
  5. Step 5: Solve for x
    x = 8,835,959.30/3,435.56
  6. Step 6: Final answer
    x = 2,571.91

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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.