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Finding the Fourth Proportional to 6,692.34, 9,231.72 and 4,265.18

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Solution

The fourth proportional to 6,692.34, 9,231.72 and 4,265.18 is: 5,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.34 : 9,231.72 = 4,265.18 : x
  2. Step 2: Convert to fraction form
    6,692.34/9,231.72 = 4,265.18/x
  3. Step 3: Cross multiply
    6,692.34x = 9,231.72 × 4,265.18
  4. Step 4: Simplify right side
    6,692.34x = 39,374,919.98
  5. Step 5: Solve for x
    x = 39,374,919.98/6,692.34
  6. Step 6: Final answer
    x = 5,883.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.