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Finding the Fourth Proportional to 59,402.53, 81,955.31 and 33,890.57

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Solution

The fourth proportional to 59,402.53, 81,955.31 and 33,890.57 is: 46,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,402.53 : 81,955.31 = 33,890.57 : x
  2. Step 2: Convert to fraction form
    59,402.53/81,955.31 = 33,890.57/x
  3. Step 3: Cross multiply
    59,402.53x = 81,955.31 × 33,890.57
  4. Step 4: Simplify right side
    59,402.53x = 2,777,512,089.16
  5. Step 5: Solve for x
    x = 2,777,512,089.16/59,402.53
  6. Step 6: Final answer
    x = 46,757.47

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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.