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Finding the Fourth Proportional to 8,610.02, 11,879.89 and 5,073.56

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Solution

The fourth proportional to 8,610.02, 11,879.89 and 5,073.56 is: 7,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.02 : 11,879.89 = 5,073.56 : x
  2. Step 2: Convert to fraction form
    8,610.02/11,879.89 = 5,073.56/x
  3. Step 3: Cross multiply
    8,610.02x = 11,879.89 × 5,073.56
  4. Step 4: Simplify right side
    8,610.02x = 60,273,334.71
  5. Step 5: Solve for x
    x = 60,273,334.71/8,610.02
  6. Step 6: Final answer
    x = 7,000.37

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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.