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Finding the Fourth Proportional to 4,998.40, 7,495.92 and 2,399.68

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Solution

The fourth proportional to 4,998.40, 7,495.92 and 2,399.68 is: 3,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.40 : 7,495.92 = 2,399.68 : x
  2. Step 2: Convert to fraction form
    4,998.40/7,495.92 = 2,399.68/x
  3. Step 3: Cross multiply
    4,998.40x = 7,495.92 × 2,399.68
  4. Step 4: Simplify right side
    4,998.40x = 17,987,809.31
  5. Step 5: Solve for x
    x = 17,987,809.31/4,998.40
  6. Step 6: Final answer
    x = 3,598.71

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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.