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Finding the Fourth Proportional to 1,662.34, 2,494.02 and 738.14

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Solution

The fourth proportional to 1,662.34, 2,494.02 and 738.14 is: 1,107.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662.34 : 2,494.02 = 738.14 : x
  2. Step 2: Convert to fraction form
    1,662.34/2,494.02 = 738.14/x
  3. Step 3: Cross multiply
    1,662.34x = 2,494.02 × 738.14
  4. Step 4: Simplify right side
    1,662.34x = 1,840,935.92
  5. Step 5: Solve for x
    x = 1,840,935.92/1,662.34
  6. Step 6: Final answer
    x = 1,107.44

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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.