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Finding the Fourth Proportional to 3,508.64, 4,841.22 and 2,669.12

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Solution

The fourth proportional to 3,508.64, 4,841.22 and 2,669.12 is: 3,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.64 : 4,841.22 = 2,669.12 : x
  2. Step 2: Convert to fraction form
    3,508.64/4,841.22 = 2,669.12/x
  3. Step 3: Cross multiply
    3,508.64x = 4,841.22 × 2,669.12
  4. Step 4: Simplify right side
    3,508.64x = 12,921,797.13
  5. Step 5: Solve for x
    x = 12,921,797.13/3,508.64
  6. Step 6: Final answer
    x = 3,682.85

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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.