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Finding the Fourth Proportional to 52,992.33, 79,677.90 and 48,883.20

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Solution

The fourth proportional to 52,992.33, 79,677.90 and 48,883.20 is: 73,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,992.33 : 79,677.90 = 48,883.20 : x
  2. Step 2: Convert to fraction form
    52,992.33/79,677.90 = 48,883.20/x
  3. Step 3: Cross multiply
    52,992.33x = 79,677.90 × 48,883.20
  4. Step 4: Simplify right side
    52,992.33x = 3,894,910,721.28
  5. Step 5: Solve for x
    x = 3,894,910,721.28/52,992.33
  6. Step 6: Final answer
    x = 73,499.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.