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Finding the Fourth Proportional to 4,671.90, 6,433.74 and 4,375.44

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Solution

The fourth proportional to 4,671.90, 6,433.74 and 4,375.44 is: 6,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.90 : 6,433.74 = 4,375.44 : x
  2. Step 2: Convert to fraction form
    4,671.90/6,433.74 = 4,375.44/x
  3. Step 3: Cross multiply
    4,671.90x = 6,433.74 × 4,375.44
  4. Step 4: Simplify right side
    4,671.90x = 28,150,443.35
  5. Step 5: Solve for x
    x = 28,150,443.35/4,671.90
  6. Step 6: Final answer
    x = 6,025.48

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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.