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Finding the Fourth Proportional to 17,713.70, 26,554.74 and 6,611.84

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Solution

The fourth proportional to 17,713.70, 26,554.74 and 6,611.84 is: 9,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,713.70 : 26,554.74 = 6,611.84 : x
  2. Step 2: Convert to fraction form
    17,713.70/26,554.74 = 6,611.84/x
  3. Step 3: Cross multiply
    17,713.70x = 26,554.74 × 6,611.84
  4. Step 4: Simplify right side
    17,713.70x = 175,575,692.12
  5. Step 5: Solve for x
    x = 175,575,692.12/17,713.70
  6. Step 6: Final answer
    x = 9,911.86

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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.