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Finding the Fourth Proportional to 4,993.86, 7,490.97 and 1,873.56

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Solution

The fourth proportional to 4,993.86, 7,490.97 and 1,873.56 is: 2,810.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.86 : 7,490.97 = 1,873.56 : x
  2. Step 2: Convert to fraction form
    4,993.86/7,490.97 = 1,873.56/x
  3. Step 3: Cross multiply
    4,993.86x = 7,490.97 × 1,873.56
  4. Step 4: Simplify right side
    4,993.86x = 14,034,781.75
  5. Step 5: Solve for x
    x = 14,034,781.75/4,993.86
  6. Step 6: Final answer
    x = 2,810.41

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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.