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Finding the Fourth Proportional to 55,539.52, 76,644.46 and 30,045.83

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Solution

The fourth proportional to 55,539.52, 76,644.46 and 30,045.83 is: 41,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,539.52 : 76,644.46 = 30,045.83 : x
  2. Step 2: Convert to fraction form
    55,539.52/76,644.46 = 30,045.83/x
  3. Step 3: Cross multiply
    55,539.52x = 76,644.46 × 30,045.83
  4. Step 4: Simplify right side
    55,539.52x = 2,302,845,900.93
  5. Step 5: Solve for x
    x = 2,302,845,900.93/55,539.52
  6. Step 6: Final answer
    x = 41,463.20

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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.