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Finding the Fourth Proportional to 4,839.11, 7,257.64 and 1,551.32

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Solution

The fourth proportional to 4,839.11, 7,257.64 and 1,551.32 is: 2,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.11 : 7,257.64 = 1,551.32 : x
  2. Step 2: Convert to fraction form
    4,839.11/7,257.64 = 1,551.32/x
  3. Step 3: Cross multiply
    4,839.11x = 7,257.64 × 1,551.32
  4. Step 4: Simplify right side
    4,839.11x = 11,258,922.08
  5. Step 5: Solve for x
    x = 11,258,922.08/4,839.11
  6. Step 6: Final answer
    x = 2,326.65

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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.