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Finding the Fourth Proportional to 55,691.32, 76,847.12 and 35,559.98

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Solution

The fourth proportional to 55,691.32, 76,847.12 and 35,559.98 is: 49,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,691.32 : 76,847.12 = 35,559.98 : x
  2. Step 2: Convert to fraction form
    55,691.32/76,847.12 = 35,559.98/x
  3. Step 3: Cross multiply
    55,691.32x = 76,847.12 × 35,559.98
  4. Step 4: Simplify right side
    55,691.32x = 2,732,682,050.26
  5. Step 5: Solve for x
    x = 2,732,682,050.26/55,691.32
  6. Step 6: Final answer
    x = 49,068.37

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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.