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Finding the Fourth Proportional to 2,259.88, 3,389.82 and 960.44

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Solution

The fourth proportional to 2,259.88, 3,389.82 and 960.44 is: 1,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.88 : 3,389.82 = 960.44 : x
  2. Step 2: Convert to fraction form
    2,259.88/3,389.82 = 960.44/x
  3. Step 3: Cross multiply
    2,259.88x = 3,389.82 × 960.44
  4. Step 4: Simplify right side
    2,259.88x = 3,255,718.72
  5. Step 5: Solve for x
    x = 3,255,718.72/2,259.88
  6. Step 6: Final answer
    x = 1,440.66

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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.