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Finding the Fourth Proportional to 3,235.39, 4,464.81 and 1,819.32

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Solution

The fourth proportional to 3,235.39, 4,464.81 and 1,819.32 is: 2,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.39 : 4,464.81 = 1,819.32 : x
  2. Step 2: Convert to fraction form
    3,235.39/4,464.81 = 1,819.32/x
  3. Step 3: Cross multiply
    3,235.39x = 4,464.81 × 1,819.32
  4. Step 4: Simplify right side
    3,235.39x = 8,122,918.13
  5. Step 5: Solve for x
    x = 8,122,918.13/3,235.39
  6. Step 6: Final answer
    x = 2,510.65

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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.