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Finding the Fourth Proportional to 4,672.22, 6,447.66 and 2,682.90

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Solution

The fourth proportional to 4,672.22, 6,447.66 and 2,682.90 is: 3,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.22 : 6,447.66 = 2,682.90 : x
  2. Step 2: Convert to fraction form
    4,672.22/6,447.66 = 2,682.90/x
  3. Step 3: Cross multiply
    4,672.22x = 6,447.66 × 2,682.90
  4. Step 4: Simplify right side
    4,672.22x = 17,298,427.01
  5. Step 5: Solve for x
    x = 17,298,427.01/4,672.22
  6. Step 6: Final answer
    x = 3,702.40

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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.