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Finding the Fourth Proportional to 1,599.53, 2,207.43 and 936.43

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Solution

The fourth proportional to 1,599.53, 2,207.43 and 936.43 is: 1,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.53 : 2,207.43 = 936.43 : x
  2. Step 2: Convert to fraction form
    1,599.53/2,207.43 = 936.43/x
  3. Step 3: Cross multiply
    1,599.53x = 2,207.43 × 936.43
  4. Step 4: Simplify right side
    1,599.53x = 2,067,098.16
  5. Step 5: Solve for x
    x = 2,067,098.16/1,599.53
  6. Step 6: Final answer
    x = 1,292.32

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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.