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Finding the Fourth Proportional to 59,381.55, 81,955.80 and 33,887.88

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Solution

The fourth proportional to 59,381.55, 81,955.80 and 33,887.88 is: 46,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,381.55 : 81,955.80 = 33,887.88 : x
  2. Step 2: Convert to fraction form
    59,381.55/81,955.80 = 33,887.88/x
  3. Step 3: Cross multiply
    59,381.55x = 81,955.80 × 33,887.88
  4. Step 4: Simplify right side
    59,381.55x = 2,777,308,315.70
  5. Step 5: Solve for x
    x = 2,777,308,315.70/59,381.55
  6. Step 6: Final answer
    x = 46,770.56

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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.