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Finding the Fourth Proportional to 8,998.48, 13,497.79 and 5,879.98

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Solution

The fourth proportional to 8,998.48, 13,497.79 and 5,879.98 is: 8,820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.48 : 13,497.79 = 5,879.98 : x
  2. Step 2: Convert to fraction form
    8,998.48/13,497.79 = 5,879.98/x
  3. Step 3: Cross multiply
    8,998.48x = 13,497.79 × 5,879.98
  4. Step 4: Simplify right side
    8,998.48x = 79,366,735.24
  5. Step 5: Solve for x
    x = 79,366,735.24/8,998.48
  6. Step 6: Final answer
    x = 8,820.02

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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.