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Finding the Fourth Proportional to 52,552.30, 72,522.44 and 28,679.48

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Solution

The fourth proportional to 52,552.30, 72,522.44 and 28,679.48 is: 39,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,552.30 : 72,522.44 = 28,679.48 : x
  2. Step 2: Convert to fraction form
    52,552.30/72,522.44 = 28,679.48/x
  3. Step 3: Cross multiply
    52,552.30x = 72,522.44 × 28,679.48
  4. Step 4: Simplify right side
    52,552.30x = 2,079,905,867.53
  5. Step 5: Solve for x
    x = 2,079,905,867.53/52,552.30
  6. Step 6: Final answer
    x = 39,577.83

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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.