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Finding the Fourth Proportional to 55,889.62, 83,889.52 and 41,056.90

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Solution

The fourth proportional to 55,889.62, 83,889.52 and 41,056.90 is: 61,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,889.62 : 83,889.52 = 41,056.90 : x
  2. Step 2: Convert to fraction form
    55,889.62/83,889.52 = 41,056.90/x
  3. Step 3: Cross multiply
    55,889.62x = 83,889.52 × 41,056.90
  4. Step 4: Simplify right side
    55,889.62x = 3,444,243,633.69
  5. Step 5: Solve for x
    x = 3,444,243,633.69/55,889.62
  6. Step 6: Final answer
    x = 61,625.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.