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Finding the Fourth Proportional to 1,664.92, 2,297.73 and 966.25

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Solution

The fourth proportional to 1,664.92, 2,297.73 and 966.25 is: 1,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.92 : 2,297.73 = 966.25 : x
  2. Step 2: Convert to fraction form
    1,664.92/2,297.73 = 966.25/x
  3. Step 3: Cross multiply
    1,664.92x = 2,297.73 × 966.25
  4. Step 4: Simplify right side
    1,664.92x = 2,220,181.61
  5. Step 5: Solve for x
    x = 2,220,181.61/1,664.92
  6. Step 6: Final answer
    x = 1,333.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.