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Finding the Fourth Proportional to 52,765.97, 79,153.07 and 15,326.65

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Solution

The fourth proportional to 52,765.97, 79,153.07 and 15,326.65 is: 22,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765.97 : 79,153.07 = 15,326.65 : x
  2. Step 2: Convert to fraction form
    52,765.97/79,153.07 = 15,326.65/x
  3. Step 3: Cross multiply
    52,765.97x = 79,153.07 × 15,326.65
  4. Step 4: Simplify right side
    52,765.97x = 1,213,151,323.68
  5. Step 5: Solve for x
    x = 1,213,151,323.68/52,765.97
  6. Step 6: Final answer
    x = 22,991.17

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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.