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Finding the Fourth Proportional to 16,994.31, 25,486.61 and 8,669.13

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Solution

The fourth proportional to 16,994.31, 25,486.61 and 8,669.13 is: 13,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,994.31 : 25,486.61 = 8,669.13 : x
  2. Step 2: Convert to fraction form
    16,994.31/25,486.61 = 8,669.13/x
  3. Step 3: Cross multiply
    16,994.31x = 25,486.61 × 8,669.13
  4. Step 4: Simplify right side
    16,994.31x = 220,946,692.00
  5. Step 5: Solve for x
    x = 220,946,692.00/16,994.31
  6. Step 6: Final answer
    x = 13,001.22

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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.