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Finding the Fourth Proportional to 7,135.93, 10,699.97 and 2,204.20

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Solution

The fourth proportional to 7,135.93, 10,699.97 and 2,204.20 is: 3,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.93 : 10,699.97 = 2,204.20 : x
  2. Step 2: Convert to fraction form
    7,135.93/10,699.97 = 2,204.20/x
  3. Step 3: Cross multiply
    7,135.93x = 10,699.97 × 2,204.20
  4. Step 4: Simplify right side
    7,135.93x = 23,584,862.85
  5. Step 5: Solve for x
    x = 23,584,862.85/7,135.93
  6. Step 6: Final answer
    x = 3,305.09

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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.