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Finding the Fourth Proportional to 4,998.24, 7,493.28 and 2,078.64

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Solution

The fourth proportional to 4,998.24, 7,493.28 and 2,078.64 is: 3,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.24 : 7,493.28 = 2,078.64 : x
  2. Step 2: Convert to fraction form
    4,998.24/7,493.28 = 2,078.64/x
  3. Step 3: Cross multiply
    4,998.24x = 7,493.28 × 2,078.64
  4. Step 4: Simplify right side
    4,998.24x = 15,575,831.54
  5. Step 5: Solve for x
    x = 15,575,831.54/4,998.24
  6. Step 6: Final answer
    x = 3,116.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.