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Finding the Fourth Proportional to 8,608.48, 12,911.37 and 2,368.96

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Solution

The fourth proportional to 8,608.48, 12,911.37 and 2,368.96 is: 3,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.48 : 12,911.37 = 2,368.96 : x
  2. Step 2: Convert to fraction form
    8,608.48/12,911.37 = 2,368.96/x
  3. Step 3: Cross multiply
    8,608.48x = 12,911.37 × 2,368.96
  4. Step 4: Simplify right side
    8,608.48x = 30,586,519.08
  5. Step 5: Solve for x
    x = 30,586,519.08/8,608.48
  6. Step 6: Final answer
    x = 3,553.07

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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.