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Finding the Fourth Proportional to 52,809.93, 79,215.06 and 13,367.03

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Solution

The fourth proportional to 52,809.93, 79,215.06 and 13,367.03 is: 20,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,809.93 : 79,215.06 = 13,367.03 : x
  2. Step 2: Convert to fraction form
    52,809.93/79,215.06 = 13,367.03/x
  3. Step 3: Cross multiply
    52,809.93x = 79,215.06 × 13,367.03
  4. Step 4: Simplify right side
    52,809.93x = 1,058,870,083.47
  5. Step 5: Solve for x
    x = 1,058,870,083.47/52,809.93
  6. Step 6: Final answer
    x = 20,050.59

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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.