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Finding the Fourth Proportional to 56,580.92, 84,870.83 and 34,400.42

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Solution

The fourth proportional to 56,580.92, 84,870.83 and 34,400.42 is: 51,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,580.92 : 84,870.83 = 34,400.42 : x
  2. Step 2: Convert to fraction form
    56,580.92/84,870.83 = 34,400.42/x
  3. Step 3: Cross multiply
    56,580.92x = 84,870.83 × 34,400.42
  4. Step 4: Simplify right side
    56,580.92x = 2,919,591,601.39
  5. Step 5: Solve for x
    x = 2,919,591,601.39/56,580.92
  6. Step 6: Final answer
    x = 51,600.29

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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.