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Finding the Fourth Proportional to 8,998.83, 13,497.81 and 3,154.99

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Solution

The fourth proportional to 8,998.83, 13,497.81 and 3,154.99 is: 4,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.83 : 13,497.81 = 3,154.99 : x
  2. Step 2: Convert to fraction form
    8,998.83/13,497.81 = 3,154.99/x
  3. Step 3: Cross multiply
    8,998.83x = 13,497.81 × 3,154.99
  4. Step 4: Simplify right side
    8,998.83x = 42,585,455.57
  5. Step 5: Solve for x
    x = 42,585,455.57/8,998.83
  6. Step 6: Final answer
    x = 4,732.33

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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.