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Finding the Fourth Proportional to 52,963.70, 79,468.63 and 19,676.34

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Solution

The fourth proportional to 52,963.70, 79,468.63 and 19,676.34 is: 29,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,963.70 : 79,468.63 = 19,676.34 : x
  2. Step 2: Convert to fraction form
    52,963.70/79,468.63 = 19,676.34/x
  3. Step 3: Cross multiply
    52,963.70x = 79,468.63 × 19,676.34
  4. Step 4: Simplify right side
    52,963.70x = 1,563,651,734.02
  5. Step 5: Solve for x
    x = 1,563,651,734.02/52,963.70
  6. Step 6: Final answer
    x = 29,523.09

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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.