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Finding the Fourth Proportional to 55,605.06, 76,735.89 and 30,452.94

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Solution

The fourth proportional to 55,605.06, 76,735.89 and 30,452.94 is: 42,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,605.06 : 76,735.89 = 30,452.94 : x
  2. Step 2: Convert to fraction form
    55,605.06/76,735.89 = 30,452.94/x
  3. Step 3: Cross multiply
    55,605.06x = 76,735.89 × 30,452.94
  4. Step 4: Simplify right side
    55,605.06x = 2,336,833,454.02
  5. Step 5: Solve for x
    x = 2,336,833,454.02/55,605.06
  6. Step 6: Final answer
    x = 42,025.55

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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.