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Finding the Fourth Proportional to 3,551.70, 4,900.79 and 2,059.31

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Solution

The fourth proportional to 3,551.70, 4,900.79 and 2,059.31 is: 2,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.70 : 4,900.79 = 2,059.31 : x
  2. Step 2: Convert to fraction form
    3,551.70/4,900.79 = 2,059.31/x
  3. Step 3: Cross multiply
    3,551.70x = 4,900.79 × 2,059.31
  4. Step 4: Simplify right side
    3,551.70x = 10,092,211.05
  5. Step 5: Solve for x
    x = 10,092,211.05/3,551.70
  6. Step 6: Final answer
    x = 2,841.52

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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.