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Finding the Fourth Proportional to 53,911.74, 80,879.91 and 16,477.13

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Solution

The fourth proportional to 53,911.74, 80,879.91 and 16,477.13 is: 24,719.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,911.74 : 80,879.91 = 16,477.13 : x
  2. Step 2: Convert to fraction form
    53,911.74/80,879.91 = 16,477.13/x
  3. Step 3: Cross multiply
    53,911.74x = 80,879.91 × 16,477.13
  4. Step 4: Simplify right side
    53,911.74x = 1,332,668,993.66
  5. Step 5: Solve for x
    x = 1,332,668,993.66/53,911.74
  6. Step 6: Final answer
    x = 24,719.46

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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.