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Finding the Fourth Proportional to 56,283.92, 84,399.96 and 31,659.92

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Solution

The fourth proportional to 56,283.92, 84,399.96 and 31,659.92 is: 47,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,283.92 : 84,399.96 = 31,659.92 : x
  2. Step 2: Convert to fraction form
    56,283.92/84,399.96 = 31,659.92/x
  3. Step 3: Cross multiply
    56,283.92x = 84,399.96 × 31,659.92
  4. Step 4: Simplify right side
    56,283.92x = 2,672,095,981.60
  5. Step 5: Solve for x
    x = 2,672,095,981.60/56,283.92
  6. Step 6: Final answer
    x = 47,475.30

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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.