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Finding the Fourth Proportional to 52,743.76, 79,107.13 and 19,479.49

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Solution

The fourth proportional to 52,743.76, 79,107.13 and 19,479.49 is: 29,216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,743.76 : 79,107.13 = 19,479.49 : x
  2. Step 2: Convert to fraction form
    52,743.76/79,107.13 = 19,479.49/x
  3. Step 3: Cross multiply
    52,743.76x = 79,107.13 × 19,479.49
  4. Step 4: Simplify right side
    52,743.76x = 1,540,966,374.35
  5. Step 5: Solve for x
    x = 1,540,966,374.35/52,743.76
  6. Step 6: Final answer
    x = 29,216.09

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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.