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Finding the Fourth Proportional to 15,169.79, 22,739.98 and 5,802.59

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Solution

The fourth proportional to 15,169.79, 22,739.98 and 5,802.59 is: 8,698.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,169.79 : 22,739.98 = 5,802.59 : x
  2. Step 2: Convert to fraction form
    15,169.79/22,739.98 = 5,802.59/x
  3. Step 3: Cross multiply
    15,169.79x = 22,739.98 × 5,802.59
  4. Step 4: Simplify right side
    15,169.79x = 131,950,751.54
  5. Step 5: Solve for x
    x = 131,950,751.54/15,169.79
  6. Step 6: Final answer
    x = 8,698.26

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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.