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Finding the Fourth Proportional to 5,908.67, 8,858.60 and 2,786.90

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Solution

The fourth proportional to 5,908.67, 8,858.60 and 2,786.90 is: 4,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.67 : 8,858.60 = 2,786.90 : x
  2. Step 2: Convert to fraction form
    5,908.67/8,858.60 = 2,786.90/x
  3. Step 3: Cross multiply
    5,908.67x = 8,858.60 × 2,786.90
  4. Step 4: Simplify right side
    5,908.67x = 24,688,032.34
  5. Step 5: Solve for x
    x = 24,688,032.34/5,908.67
  6. Step 6: Final answer
    x = 4,178.27

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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.