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Finding the Fourth Proportional to 52,809.49, 79,188.31 and 26,124.65

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Solution

The fourth proportional to 52,809.49, 79,188.31 and 26,124.65 is: 39,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,809.49 : 79,188.31 = 26,124.65 : x
  2. Step 2: Convert to fraction form
    52,809.49/79,188.31 = 26,124.65/x
  3. Step 3: Cross multiply
    52,809.49x = 79,188.31 × 26,124.65
  4. Step 4: Simplify right side
    52,809.49x = 2,068,766,882.84
  5. Step 5: Solve for x
    x = 2,068,766,882.84/52,809.49
  6. Step 6: Final answer
    x = 39,174.15

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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.