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Finding the Fourth Proportional to 16,883.00, 25,315.85 and 8,990.00

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Solution

The fourth proportional to 16,883.00, 25,315.85 and 8,990.00 is: 13,480.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,883.00 : 25,315.85 = 8,990.00 : x
  2. Step 2: Convert to fraction form
    16,883.00/25,315.85 = 8,990.00/x
  3. Step 3: Cross multiply
    16,883.00x = 25,315.85 × 8,990.00
  4. Step 4: Simplify right side
    16,883.00x = 227,589,319.97
  5. Step 5: Solve for x
    x = 227,589,319.97/16,883.00
  6. Step 6: Final answer
    x = 13,480.39

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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.