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Finding the Fourth Proportional to 10,858.69, 16,288.07 and 2,650.69

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Solution

The fourth proportional to 10,858.69, 16,288.07 and 2,650.69 is: 3,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.69 : 16,288.07 = 2,650.69 : x
  2. Step 2: Convert to fraction form
    10,858.69/16,288.07 = 2,650.69/x
  3. Step 3: Cross multiply
    10,858.69x = 16,288.07 × 2,650.69
  4. Step 4: Simplify right side
    10,858.69x = 43,174,570.29
  5. Step 5: Solve for x
    x = 43,174,570.29/10,858.69
  6. Step 6: Final answer
    x = 3,976.04

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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.