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Finding the Fourth Proportional to 2,589.66, 3,573.12 and 1,512.77

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Solution

The fourth proportional to 2,589.66, 3,573.12 and 1,512.77 is: 2,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.66 : 3,573.12 = 1,512.77 : x
  2. Step 2: Convert to fraction form
    2,589.66/3,573.12 = 1,512.77/x
  3. Step 3: Cross multiply
    2,589.66x = 3,573.12 × 1,512.77
  4. Step 4: Simplify right side
    2,589.66x = 5,405,308.74
  5. Step 5: Solve for x
    x = 5,405,308.74/2,589.66
  6. Step 6: Final answer
    x = 2,087.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.