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Finding the Fourth Proportional to 52,744.86, 79,148.41 and 19,488.46

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Solution

The fourth proportional to 52,744.86, 79,148.41 and 19,488.46 is: 29,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,744.86 : 79,148.41 = 19,488.46 : x
  2. Step 2: Convert to fraction form
    52,744.86/79,148.41 = 19,488.46/x
  3. Step 3: Cross multiply
    52,744.86x = 79,148.41 × 19,488.46
  4. Step 4: Simplify right side
    52,744.86x = 1,542,480,622.35
  5. Step 5: Solve for x
    x = 1,542,480,622.35/52,744.86
  6. Step 6: Final answer
    x = 29,244.19

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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.