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Finding the Fourth Proportional to 4,993.78, 7,486.35 and 2,398.54

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Solution

The fourth proportional to 4,993.78, 7,486.35 and 2,398.54 is: 3,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.78 : 7,486.35 = 2,398.54 : x
  2. Step 2: Convert to fraction form
    4,993.78/7,486.35 = 2,398.54/x
  3. Step 3: Cross multiply
    4,993.78x = 7,486.35 × 2,398.54
  4. Step 4: Simplify right side
    4,993.78x = 17,956,309.93
  5. Step 5: Solve for x
    x = 17,956,309.93/4,993.78
  6. Step 6: Final answer
    x = 3,595.74

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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.