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Finding the Fourth Proportional to 45,800.66, 68,611.52 and 31,566.59

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Solution

The fourth proportional to 45,800.66, 68,611.52 and 31,566.59 is: 47,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,800.66 : 68,611.52 = 31,566.59 : x
  2. Step 2: Convert to fraction form
    45,800.66/68,611.52 = 31,566.59/x
  3. Step 3: Cross multiply
    45,800.66x = 68,611.52 × 31,566.59
  4. Step 4: Simplify right side
    45,800.66x = 2,165,831,456.98
  5. Step 5: Solve for x
    x = 2,165,831,456.98/45,800.66
  6. Step 6: Final answer
    x = 47,288.22

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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.