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Finding the Fourth Proportional to 1,941.08, 2,910.90 and 708.18

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Solution

The fourth proportional to 1,941.08, 2,910.90 and 708.18 is: 1,062.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.08 : 2,910.90 = 708.18 : x
  2. Step 2: Convert to fraction form
    1,941.08/2,910.90 = 708.18/x
  3. Step 3: Cross multiply
    1,941.08x = 2,910.90 × 708.18
  4. Step 4: Simplify right side
    1,941.08x = 2,061,441.16
  5. Step 5: Solve for x
    x = 2,061,441.16/1,941.08
  6. Step 6: Final answer
    x = 1,062.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.