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Finding the Fourth Proportional to 8,998.80, 13,499.04 and 3,374.97

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Solution

The fourth proportional to 8,998.80, 13,499.04 and 3,374.97 is: 5,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.80 : 13,499.04 = 3,374.97 : x
  2. Step 2: Convert to fraction form
    8,998.80/13,499.04 = 3,374.97/x
  3. Step 3: Cross multiply
    8,998.80x = 13,499.04 × 3,374.97
  4. Step 4: Simplify right side
    8,998.80x = 45,558,855.03
  5. Step 5: Solve for x
    x = 45,558,855.03/8,998.80
  6. Step 6: Final answer
    x = 5,062.77

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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.