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Finding the Fourth Proportional to 17,799.60, 26,692.20 and 6,106.80

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Solution

The fourth proportional to 17,799.60, 26,692.20 and 6,106.80 is: 9,157.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,799.60 : 26,692.20 = 6,106.80 : x
  2. Step 2: Convert to fraction form
    17,799.60/26,692.20 = 6,106.80/x
  3. Step 3: Cross multiply
    17,799.60x = 26,692.20 × 6,106.80
  4. Step 4: Simplify right side
    17,799.60x = 163,003,926.96
  5. Step 5: Solve for x
    x = 163,003,926.96/17,799.60
  6. Step 6: Final answer
    x = 9,157.73

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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.