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Finding the Fourth Proportional to 52,810.00, 72,879.62 and 28,936.67

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Solution

The fourth proportional to 52,810.00, 72,879.62 and 28,936.67 is: 39,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,810.00 : 72,879.62 = 28,936.67 : x
  2. Step 2: Convert to fraction form
    52,810.00/72,879.62 = 28,936.67/x
  3. Step 3: Cross multiply
    52,810.00x = 72,879.62 × 28,936.67
  4. Step 4: Simplify right side
    52,810.00x = 2,108,893,004.58
  5. Step 5: Solve for x
    x = 2,108,893,004.58/52,810.00
  6. Step 6: Final answer
    x = 39,933.59

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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.