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Finding the Fourth Proportional to 4,294.87, 6,441.94 and 2,917.06

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Solution

The fourth proportional to 4,294.87, 6,441.94 and 2,917.06 is: 4,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.87 : 6,441.94 = 2,917.06 : x
  2. Step 2: Convert to fraction form
    4,294.87/6,441.94 = 2,917.06/x
  3. Step 3: Cross multiply
    4,294.87x = 6,441.94 × 2,917.06
  4. Step 4: Simplify right side
    4,294.87x = 18,791,525.50
  5. Step 5: Solve for x
    x = 18,791,525.50/4,294.87
  6. Step 6: Final answer
    x = 4,375.34

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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.