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Finding the Fourth Proportional to 16,698.92, 25,058.09 and 6,311.48

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Solution

The fourth proportional to 16,698.92, 25,058.09 and 6,311.48 is: 9,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,698.92 : 25,058.09 = 6,311.48 : x
  2. Step 2: Convert to fraction form
    16,698.92/25,058.09 = 6,311.48/x
  3. Step 3: Cross multiply
    16,698.92x = 25,058.09 × 6,311.48
  4. Step 4: Simplify right side
    16,698.92x = 158,153,524.36
  5. Step 5: Solve for x
    x = 158,153,524.36/16,698.92
  6. Step 6: Final answer
    x = 9,470.89

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1.5x scale

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.