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Finding the Fourth Proportional to 4,928.68, 7,392.52 and 1,850.92

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Solution

The fourth proportional to 4,928.68, 7,392.52 and 1,850.92 is: 2,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.68 : 7,392.52 = 1,850.92 : x
  2. Step 2: Convert to fraction form
    4,928.68/7,392.52 = 1,850.92/x
  3. Step 3: Cross multiply
    4,928.68x = 7,392.52 × 1,850.92
  4. Step 4: Simplify right side
    4,928.68x = 13,682,963.12
  5. Step 5: Solve for x
    x = 13,682,963.12/4,928.68
  6. Step 6: Final answer
    x = 2,776.19

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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.