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Finding the Fourth Proportional to 8,998.96, 13,499.16 and 3,454.96

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Solution

The fourth proportional to 8,998.96, 13,499.16 and 3,454.96 is: 5,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.96 : 13,499.16 = 3,454.96 : x
  2. Step 2: Convert to fraction form
    8,998.96/13,499.16 = 3,454.96/x
  3. Step 3: Cross multiply
    8,998.96x = 13,499.16 × 3,454.96
  4. Step 4: Simplify right side
    8,998.96x = 46,639,057.83
  5. Step 5: Solve for x
    x = 46,639,057.83/8,998.96
  6. Step 6: Final answer
    x = 5,182.72

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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.