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Finding the Fourth Proportional to 1,941.06, 2,910.90 and 708.14

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Solution

The fourth proportional to 1,941.06, 2,910.90 and 708.14 is: 1,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.06 : 2,910.90 = 708.14 : x
  2. Step 2: Convert to fraction form
    1,941.06/2,910.90 = 708.14/x
  3. Step 3: Cross multiply
    1,941.06x = 2,910.90 × 708.14
  4. Step 4: Simplify right side
    1,941.06x = 2,061,324.73
  5. Step 5: Solve for x
    x = 2,061,324.73/1,941.06
  6. Step 6: Final answer
    x = 1,061.96

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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.