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Finding the Fourth Proportional to 52,986, 79,479.18 and 16,050

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Solution

The fourth proportional to 52,986, 79,479.18 and 16,050 is: 24,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,986 : 79,479.18 = 16,050 : x
  2. Step 2: Convert to fraction form
    52,986/79,479.18 = 16,050/x
  3. Step 3: Cross multiply
    52,986x = 79,479.18 × 16,050
  4. Step 4: Simplify right side
    52,986x = 1,275,640,839
  5. Step 5: Solve for x
    x = 1,275,640,839/52,986
  6. Step 6: Final answer
    x = 24,075.05

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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.