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Finding the Fourth Proportional to 6,997.97, 10,496.96 and 6,647.59

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Solution

The fourth proportional to 6,997.97, 10,496.96 and 6,647.59 is: 9,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997.97 : 10,496.96 = 6,647.59 : x
  2. Step 2: Convert to fraction form
    6,997.97/10,496.96 = 6,647.59/x
  3. Step 3: Cross multiply
    6,997.97x = 10,496.96 × 6,647.59
  4. Step 4: Simplify right side
    6,997.97x = 69,779,400.60
  5. Step 5: Solve for x
    x = 69,779,400.60/6,997.97
  6. Step 6: Final answer
    x = 9,971.38

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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.