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Finding the Fourth Proportional to 52,770.77, 72,823.62 and 28,897.91

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Solution

The fourth proportional to 52,770.77, 72,823.62 and 28,897.91 is: 39,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,770.77 : 72,823.62 = 28,897.91 : x
  2. Step 2: Convert to fraction form
    52,770.77/72,823.62 = 28,897.91/x
  3. Step 3: Cross multiply
    52,770.77x = 72,823.62 × 28,897.91
  4. Step 4: Simplify right side
    52,770.77x = 2,104,450,416.63
  5. Step 5: Solve for x
    x = 2,104,450,416.63/52,770.77
  6. Step 6: Final answer
    x = 39,879.09

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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.