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Finding the Fourth Proportional to 4,729.78, 6,525.32 and 2,739.61

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Solution

The fourth proportional to 4,729.78, 6,525.32 and 2,739.61 is: 3,779.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.78 : 6,525.32 = 2,739.61 : x
  2. Step 2: Convert to fraction form
    4,729.78/6,525.32 = 2,739.61/x
  3. Step 3: Cross multiply
    4,729.78x = 6,525.32 × 2,739.61
  4. Step 4: Simplify right side
    4,729.78x = 17,876,831.93
  5. Step 5: Solve for x
    x = 17,876,831.93/4,729.78
  6. Step 6: Final answer
    x = 3,779.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.