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Finding the Fourth Proportional to 34,770.52, 47,983.31 and 18,855.00

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Solution

The fourth proportional to 34,770.52, 47,983.31 and 18,855.00 is: 26,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,770.52 : 47,983.31 = 18,855.00 : x
  2. Step 2: Convert to fraction form
    34,770.52/47,983.31 = 18,855.00/x
  3. Step 3: Cross multiply
    34,770.52x = 47,983.31 × 18,855.00
  4. Step 4: Simplify right side
    34,770.52x = 904,725,474.46
  5. Step 5: Solve for x
    x = 904,725,474.46/34,770.52
  6. Step 6: Final answer
    x = 26,019.90

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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.