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Finding the Fourth Proportional to 1,997.46, 2,994.06 and 955.26

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Solution

The fourth proportional to 1,997.46, 2,994.06 and 955.26 is: 1,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997.46 : 2,994.06 = 955.26 : x
  2. Step 2: Convert to fraction form
    1,997.46/2,994.06 = 955.26/x
  3. Step 3: Cross multiply
    1,997.46x = 2,994.06 × 955.26
  4. Step 4: Simplify right side
    1,997.46x = 2,860,109.34
  5. Step 5: Solve for x
    x = 2,860,109.34/1,997.46
  6. Step 6: Final answer
    x = 1,431.87

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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.