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Finding the Fourth Proportional to 52,993.32, 79,430.77 and 22,972.90

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Solution

The fourth proportional to 52,993.32, 79,430.77 and 22,972.90 is: 34,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,993.32 : 79,430.77 = 22,972.90 : x
  2. Step 2: Convert to fraction form
    52,993.32/79,430.77 = 22,972.90/x
  3. Step 3: Cross multiply
    52,993.32x = 79,430.77 × 22,972.90
  4. Step 4: Simplify right side
    52,993.32x = 1,824,755,136.13
  5. Step 5: Solve for x
    x = 1,824,755,136.13/52,993.32
  6. Step 6: Final answer
    x = 34,433.68

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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.