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Finding the Fourth Proportional to 8,998.59, 12,409.68 and 5,968.38

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Solution

The fourth proportional to 8,998.59, 12,409.68 and 5,968.38 is: 8,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.59 : 12,409.68 = 5,968.38 : x
  2. Step 2: Convert to fraction form
    8,998.59/12,409.68 = 5,968.38/x
  3. Step 3: Cross multiply
    8,998.59x = 12,409.68 × 5,968.38
  4. Step 4: Simplify right side
    8,998.59x = 74,065,685.92
  5. Step 5: Solve for x
    x = 74,065,685.92/8,998.59
  6. Step 6: Final answer
    x = 8,230.81

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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.