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Finding the Fourth Proportional to 52,770.32, 72,823.04 and 28,898.44

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Solution

The fourth proportional to 52,770.32, 72,823.04 and 28,898.44 is: 39,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,770.32 : 72,823.04 = 28,898.44 : x
  2. Step 2: Convert to fraction form
    52,770.32/72,823.04 = 28,898.44/x
  3. Step 3: Cross multiply
    52,770.32x = 72,823.04 × 28,898.44
  4. Step 4: Simplify right side
    52,770.32x = 2,104,472,252.06
  5. Step 5: Solve for x
    x = 2,104,472,252.06/52,770.32
  6. Step 6: Final answer
    x = 39,879.85

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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.