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Finding the Fourth Proportional to 6,997.95, 10,494.48 and 2,066.28

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Solution

The fourth proportional to 6,997.95, 10,494.48 and 2,066.28 is: 3,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997.95 : 10,494.48 = 2,066.28 : x
  2. Step 2: Convert to fraction form
    6,997.95/10,494.48 = 2,066.28/x
  3. Step 3: Cross multiply
    6,997.95x = 10,494.48 × 2,066.28
  4. Step 4: Simplify right side
    6,997.95x = 21,684,534.13
  5. Step 5: Solve for x
    x = 21,684,534.13/6,997.95
  6. Step 6: Final answer
    x = 3,098.70

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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.