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Finding the Fourth Proportional to 34,744.80, 52,117.20 and 19,192.80

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Solution

The fourth proportional to 34,744.80, 52,117.20 and 19,192.80 is: 28,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,744.80 : 52,117.20 = 19,192.80 : x
  2. Step 2: Convert to fraction form
    34,744.80/52,117.20 = 19,192.80/x
  3. Step 3: Cross multiply
    34,744.80x = 52,117.20 × 19,192.80
  4. Step 4: Simplify right side
    34,744.80x = 1,000,274,996.16
  5. Step 5: Solve for x
    x = 1,000,274,996.16/34,744.80
  6. Step 6: Final answer
    x = 28,789.20

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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.