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Finding the Fourth Proportional to 41,804.70, 62,659.88 and 20,759.76

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Solution

The fourth proportional to 41,804.70, 62,659.88 and 20,759.76 is: 31,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,804.70 : 62,659.88 = 20,759.76 : x
  2. Step 2: Convert to fraction form
    41,804.70/62,659.88 = 20,759.76/x
  3. Step 3: Cross multiply
    41,804.70x = 62,659.88 × 20,759.76
  4. Step 4: Simplify right side
    41,804.70x = 1,300,803,966.63
  5. Step 5: Solve for x
    x = 1,300,803,966.63/41,804.70
  6. Step 6: Final answer
    x = 31,116.21

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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.