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Finding the Fourth Proportional to 6,622.59, 9,933.86 and 1,692.23

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Solution

The fourth proportional to 6,622.59, 9,933.86 and 1,692.23 is: 2,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.59 : 9,933.86 = 1,692.23 : x
  2. Step 2: Convert to fraction form
    6,622.59/9,933.86 = 1,692.23/x
  3. Step 3: Cross multiply
    6,622.59x = 9,933.86 × 1,692.23
  4. Step 4: Simplify right side
    6,622.59x = 16,810,330.47
  5. Step 5: Solve for x
    x = 16,810,330.47/6,622.59
  6. Step 6: Final answer
    x = 2,538.33

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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.