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Finding the Fourth Proportional to 58,763.17, 81,093.03 and 31,905.40

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Solution

The fourth proportional to 58,763.17, 81,093.03 and 31,905.40 is: 44,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,763.17 : 81,093.03 = 31,905.40 : x
  2. Step 2: Convert to fraction form
    58,763.17/81,093.03 = 31,905.40/x
  3. Step 3: Cross multiply
    58,763.17x = 81,093.03 × 31,905.40
  4. Step 4: Simplify right side
    58,763.17x = 2,587,305,559.36
  5. Step 5: Solve for x
    x = 2,587,305,559.36/58,763.17
  6. Step 6: Final answer
    x = 44,029.37

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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.