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Finding the Fourth Proportional to 55,161.98, 82,794.80 and 28,885.58

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Solution

The fourth proportional to 55,161.98, 82,794.80 and 28,885.58 is: 43,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,161.98 : 82,794.80 = 28,885.58 : x
  2. Step 2: Convert to fraction form
    55,161.98/82,794.80 = 28,885.58/x
  3. Step 3: Cross multiply
    55,161.98x = 82,794.80 × 28,885.58
  4. Step 4: Simplify right side
    55,161.98x = 2,391,575,477.22
  5. Step 5: Solve for x
    x = 2,391,575,477.22/55,161.98
  6. Step 6: Final answer
    x = 43,355.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.