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Finding the Fourth Proportional to 50,987.92, 76,395.60 and 31,225.22

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Solution

The fourth proportional to 50,987.92, 76,395.60 and 31,225.22 is: 46,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,987.92 : 76,395.60 = 31,225.22 : x
  2. Step 2: Convert to fraction form
    50,987.92/76,395.60 = 31,225.22/x
  3. Step 3: Cross multiply
    50,987.92x = 76,395.60 × 31,225.22
  4. Step 4: Simplify right side
    50,987.92x = 2,385,469,417.03
  5. Step 5: Solve for x
    x = 2,385,469,417.03/50,987.92
  6. Step 6: Final answer
    x = 46,784.99

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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.