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Finding the Fourth Proportional to 52,751.83, 72,797.64 and 28,879.99

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Solution

The fourth proportional to 52,751.83, 72,797.64 and 28,879.99 is: 39,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,751.83 : 72,797.64 = 28,879.99 : x
  2. Step 2: Convert to fraction form
    52,751.83/72,797.64 = 28,879.99/x
  3. Step 3: Cross multiply
    52,751.83x = 72,797.64 × 28,879.99
  4. Step 4: Simplify right side
    52,751.83x = 2,102,395,115.22
  5. Step 5: Solve for x
    x = 2,102,395,115.22/52,751.83
  6. Step 6: Final answer
    x = 39,854.45

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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.