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Finding the Fourth Proportional to 4,867.28, 7,327.82 and 3,338.32

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Solution

The fourth proportional to 4,867.28, 7,327.82 and 3,338.32 is: 5,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.28 : 7,327.82 = 3,338.32 : x
  2. Step 2: Convert to fraction form
    4,867.28/7,327.82 = 3,338.32/x
  3. Step 3: Cross multiply
    4,867.28x = 7,327.82 × 3,338.32
  4. Step 4: Simplify right side
    4,867.28x = 24,462,608.06
  5. Step 5: Solve for x
    x = 24,462,608.06/4,867.28
  6. Step 6: Final answer
    x = 5,025.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.