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Finding the Fourth Proportional to 55,163.98, 82,797.80 and 28,887.58

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Solution

The fourth proportional to 55,163.98, 82,797.80 and 28,887.58 is: 43,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,163.98 : 82,797.80 = 28,887.58 : x
  2. Step 2: Convert to fraction form
    55,163.98/82,797.80 = 28,887.58/x
  3. Step 3: Cross multiply
    55,163.98x = 82,797.80 × 28,887.58
  4. Step 4: Simplify right side
    55,163.98x = 2,391,828,071.32
  5. Step 5: Solve for x
    x = 2,391,828,071.32/55,163.98
  6. Step 6: Final answer
    x = 43,358.51

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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.