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Finding the Fourth Proportional to 2,341.36, 3,512.72 and 880.66

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Solution

The fourth proportional to 2,341.36, 3,512.72 and 880.66 is: 1,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.36 : 3,512.72 = 880.66 : x
  2. Step 2: Convert to fraction form
    2,341.36/3,512.72 = 880.66/x
  3. Step 3: Cross multiply
    2,341.36x = 3,512.72 × 880.66
  4. Step 4: Simplify right side
    2,341.36x = 3,093,512.00
  5. Step 5: Solve for x
    x = 3,093,512.00/2,341.36
  6. Step 6: Final answer
    x = 1,321.25

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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.