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Finding the Fourth Proportional to 52,985.50, 79,478.43 and 16,049.50

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Solution

The fourth proportional to 52,985.50, 79,478.43 and 16,049.50 is: 24,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,985.50 : 79,478.43 = 16,049.50 : x
  2. Step 2: Convert to fraction form
    52,985.50/79,478.43 = 16,049.50/x
  3. Step 3: Cross multiply
    52,985.50x = 79,478.43 × 16,049.50
  4. Step 4: Simplify right side
    52,985.50x = 1,275,589,062.29
  5. Step 5: Solve for x
    x = 1,275,589,062.29/52,985.50
  6. Step 6: Final answer
    x = 24,074.30

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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.