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Finding the Fourth Proportional to 16,809.17, 25,208.11 and 8,483.87

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Solution

The fourth proportional to 16,809.17, 25,208.11 and 8,483.87 is: 12,722.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.17 : 25,208.11 = 8,483.87 : x
  2. Step 2: Convert to fraction form
    16,809.17/25,208.11 = 8,483.87/x
  3. Step 3: Cross multiply
    16,809.17x = 25,208.11 × 8,483.87
  4. Step 4: Simplify right side
    16,809.17x = 213,862,370.00
  5. Step 5: Solve for x
    x = 213,862,370.00/16,809.17
  6. Step 6: Final answer
    x = 12,722.96

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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.