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Finding the Fourth Proportional to 52,979.54, 79,468.77 and 16,043.54

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Solution

The fourth proportional to 52,979.54, 79,468.77 and 16,043.54 is: 24,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,979.54 : 79,468.77 = 16,043.54 : x
  2. Step 2: Convert to fraction form
    52,979.54/79,468.77 = 16,043.54/x
  3. Step 3: Cross multiply
    52,979.54x = 79,468.77 × 16,043.54
  4. Step 4: Simplify right side
    52,979.54x = 1,274,960,390.25
  5. Step 5: Solve for x
    x = 1,274,960,390.25/52,979.54
  6. Step 6: Final answer
    x = 24,065.15

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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.