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Finding the Fourth Proportional to 1,746.94, 2,620.75 and 773.04

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Solution

The fourth proportional to 1,746.94, 2,620.75 and 773.04 is: 1,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.94 : 2,620.75 = 773.04 : x
  2. Step 2: Convert to fraction form
    1,746.94/2,620.75 = 773.04/x
  3. Step 3: Cross multiply
    1,746.94x = 2,620.75 × 773.04
  4. Step 4: Simplify right side
    1,746.94x = 2,025,942.65
  5. Step 5: Solve for x
    x = 2,025,942.65/1,746.94
  6. Step 6: Final answer
    x = 1,159.71

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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.