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Finding the Fourth Proportional to 52,754.93, 72,801.90 and 28,883.12

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Solution

The fourth proportional to 52,754.93, 72,801.90 and 28,883.12 is: 39,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,754.93 : 72,801.90 = 28,883.12 : x
  2. Step 2: Convert to fraction form
    52,754.93/72,801.90 = 28,883.12/x
  3. Step 3: Cross multiply
    52,754.93x = 72,801.90 × 28,883.12
  4. Step 4: Simplify right side
    52,754.93x = 2,102,745,649.92
  5. Step 5: Solve for x
    x = 2,102,745,649.92/52,754.93
  6. Step 6: Final answer
    x = 39,858.76

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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.