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Finding the Fourth Proportional to 1,754.18, 2,629.07 and 876.93

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Solution

The fourth proportional to 1,754.18, 2,629.07 and 876.93 is: 1,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.18 : 2,629.07 = 876.93 : x
  2. Step 2: Convert to fraction form
    1,754.18/2,629.07 = 876.93/x
  3. Step 3: Cross multiply
    1,754.18x = 2,629.07 × 876.93
  4. Step 4: Simplify right side
    1,754.18x = 2,305,504.33
  5. Step 5: Solve for x
    x = 2,305,504.33/1,754.18
  6. Step 6: Final answer
    x = 1,314.29

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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.