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Finding the Fourth Proportional to 52,765.98, 72,817.02 and 28,892.64

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Solution

The fourth proportional to 52,765.98, 72,817.02 and 28,892.64 is: 39,871.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765.98 : 72,817.02 = 28,892.64 : x
  2. Step 2: Convert to fraction form
    52,765.98/72,817.02 = 28,892.64/x
  3. Step 3: Cross multiply
    52,765.98x = 72,817.02 × 28,892.64
  4. Step 4: Simplify right side
    52,765.98x = 2,103,875,944.73
  5. Step 5: Solve for x
    x = 2,103,875,944.73/52,765.98
  6. Step 6: Final answer
    x = 39,871.83

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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.