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Finding the Fourth Proportional to 58,764.70, 81,094.80 and 31,906.66

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Solution

The fourth proportional to 58,764.70, 81,094.80 and 31,906.66 is: 44,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,764.70 : 81,094.80 = 31,906.66 : x
  2. Step 2: Convert to fraction form
    58,764.70/81,094.80 = 31,906.66/x
  3. Step 3: Cross multiply
    58,764.70x = 81,094.80 × 31,906.66
  4. Step 4: Simplify right side
    58,764.70x = 2,587,464,211.37
  5. Step 5: Solve for x
    x = 2,587,464,211.37/58,764.70
  6. Step 6: Final answer
    x = 44,030.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.