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Finding the Fourth Proportional to 52,993.37, 79,416.22 and 39,830.39

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Solution

The fourth proportional to 52,993.37, 79,416.22 and 39,830.39 is: 59,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,993.37 : 79,416.22 = 39,830.39 : x
  2. Step 2: Convert to fraction form
    52,993.37/79,416.22 = 39,830.39/x
  3. Step 3: Cross multiply
    52,993.37x = 79,416.22 × 39,830.39
  4. Step 4: Simplify right side
    52,993.37x = 3,163,179,014.93
  5. Step 5: Solve for x
    x = 3,163,179,014.93/52,993.37
  6. Step 6: Final answer
    x = 59,690.09

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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.