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Finding the Fourth Proportional to 6,671.80, 10,009.44 and 2,511.84

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Solution

The fourth proportional to 6,671.80, 10,009.44 and 2,511.84 is: 3,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,671.80 : 10,009.44 = 2,511.84 : x
  2. Step 2: Convert to fraction form
    6,671.80/10,009.44 = 2,511.84/x
  3. Step 3: Cross multiply
    6,671.80x = 10,009.44 × 2,511.84
  4. Step 4: Simplify right side
    6,671.80x = 25,142,149.31
  5. Step 5: Solve for x
    x = 25,142,149.31/6,671.80
  6. Step 6: Final answer
    x = 3,768.42

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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.