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Finding the Fourth Proportional to 1,941.49, 2,910.48 and 708.04

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Solution

The fourth proportional to 1,941.49, 2,910.48 and 708.04 is: 1,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.49 : 2,910.48 = 708.04 : x
  2. Step 2: Convert to fraction form
    1,941.49/2,910.48 = 708.04/x
  3. Step 3: Cross multiply
    1,941.49x = 2,910.48 × 708.04
  4. Step 4: Simplify right side
    1,941.49x = 2,060,721.71
  5. Step 5: Solve for x
    x = 2,060,721.71/1,941.49
  6. Step 6: Final answer
    x = 1,061.42

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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.