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Finding the Fourth Proportional to 4,993.42, 7,490.86 and 2,652.84

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Solution

The fourth proportional to 4,993.42, 7,490.86 and 2,652.84 is: 3,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.42 : 7,490.86 = 2,652.84 : x
  2. Step 2: Convert to fraction form
    4,993.42/7,490.86 = 2,652.84/x
  3. Step 3: Cross multiply
    4,993.42x = 7,490.86 × 2,652.84
  4. Step 4: Simplify right side
    4,993.42x = 19,872,053.04
  5. Step 5: Solve for x
    x = 19,872,053.04/4,993.42
  6. Step 6: Final answer
    x = 3,979.65

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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.