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Finding the Fourth Proportional to 52,797.86, 72,862.87 and 28,924.53

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Solution

The fourth proportional to 52,797.86, 72,862.87 and 28,924.53 is: 39,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,797.86 : 72,862.87 = 28,924.53 : x
  2. Step 2: Convert to fraction form
    52,797.86/72,862.87 = 28,924.53/x
  3. Step 3: Cross multiply
    52,797.86x = 72,862.87 × 28,924.53
  4. Step 4: Simplify right side
    52,797.86x = 2,107,524,269.20
  5. Step 5: Solve for x
    x = 2,107,524,269.20/52,797.86
  6. Step 6: Final answer
    x = 39,916.85

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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.