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Finding the Fourth Proportional to 6,692.36, 10,031.11 and 3,398.63

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Solution

The fourth proportional to 6,692.36, 10,031.11 and 3,398.63 is: 5,094.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.36 : 10,031.11 = 3,398.63 : x
  2. Step 2: Convert to fraction form
    6,692.36/10,031.11 = 3,398.63/x
  3. Step 3: Cross multiply
    6,692.36x = 10,031.11 × 3,398.63
  4. Step 4: Simplify right side
    6,692.36x = 34,092,031.38
  5. Step 5: Solve for x
    x = 34,092,031.38/6,692.36
  6. Step 6: Final answer
    x = 5,094.17

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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.