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Finding the Fourth Proportional to 58,806.04, 81,150.03 and 31,947.94

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Solution

The fourth proportional to 58,806.04, 81,150.03 and 31,947.94 is: 44,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,806.04 : 81,150.03 = 31,947.94 : x
  2. Step 2: Convert to fraction form
    58,806.04/81,150.03 = 31,947.94/x
  3. Step 3: Cross multiply
    58,806.04x = 81,150.03 × 31,947.94
  4. Step 4: Simplify right side
    58,806.04x = 2,592,576,289.44
  5. Step 5: Solve for x
    x = 2,592,576,289.44/58,806.04
  6. Step 6: Final answer
    x = 44,086.90

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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.