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Finding the Fourth Proportional to 6,671.63, 10,015.65 and 4,216.73

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Solution

The fourth proportional to 6,671.63, 10,015.65 and 4,216.73 is: 6,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,671.63 : 10,015.65 = 4,216.73 : x
  2. Step 2: Convert to fraction form
    6,671.63/10,015.65 = 4,216.73/x
  3. Step 3: Cross multiply
    6,671.63x = 10,015.65 × 4,216.73
  4. Step 4: Simplify right side
    6,671.63x = 42,233,241.75
  5. Step 5: Solve for x
    x = 42,233,241.75/6,671.63
  6. Step 6: Final answer
    x = 6,330.27

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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.