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Finding the Fourth Proportional to 3,559.48, 4,914.21 and 2,234.32

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Solution

The fourth proportional to 3,559.48, 4,914.21 and 2,234.32 is: 3,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.48 : 4,914.21 = 2,234.32 : x
  2. Step 2: Convert to fraction form
    3,559.48/4,914.21 = 2,234.32/x
  3. Step 3: Cross multiply
    3,559.48x = 4,914.21 × 2,234.32
  4. Step 4: Simplify right side
    3,559.48x = 10,979,917.69
  5. Step 5: Solve for x
    x = 10,979,917.69/3,559.48
  6. Step 6: Final answer
    x = 3,084.70

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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.