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Finding the Fourth Proportional to 5,017.80, 6,924.80 and 2,893.65

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Solution

The fourth proportional to 5,017.80, 6,924.80 and 2,893.65 is: 3,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.80 : 6,924.80 = 2,893.65 : x
  2. Step 2: Convert to fraction form
    5,017.80/6,924.80 = 2,893.65/x
  3. Step 3: Cross multiply
    5,017.80x = 6,924.80 × 2,893.65
  4. Step 4: Simplify right side
    5,017.80x = 20,037,947.52
  5. Step 5: Solve for x
    x = 20,037,947.52/5,017.80
  6. Step 6: Final answer
    x = 3,993.37

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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.