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Finding the Fourth Proportional to 61,080.48, 91,620.79 and 16,703.96

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Solution

The fourth proportional to 61,080.48, 91,620.79 and 16,703.96 is: 25,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,080.48 : 91,620.79 = 16,703.96 : x
  2. Step 2: Convert to fraction form
    61,080.48/91,620.79 = 16,703.96/x
  3. Step 3: Cross multiply
    61,080.48x = 91,620.79 × 16,703.96
  4. Step 4: Simplify right side
    61,080.48x = 1,530,429,511.46
  5. Step 5: Solve for x
    x = 1,530,429,511.46/61,080.48
  6. Step 6: Final answer
    x = 25,055.95

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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.