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Finding the Fourth Proportional to 4,998.90, 7,497.12 and 2,364.78

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Solution

The fourth proportional to 4,998.90, 7,497.12 and 2,364.78 is: 3,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.90 : 7,497.12 = 2,364.78 : x
  2. Step 2: Convert to fraction form
    4,998.90/7,497.12 = 2,364.78/x
  3. Step 3: Cross multiply
    4,998.90x = 7,497.12 × 2,364.78
  4. Step 4: Simplify right side
    4,998.90x = 17,729,039.43
  5. Step 5: Solve for x
    x = 17,729,039.43/4,998.90
  6. Step 6: Final answer
    x = 3,546.59

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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.