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Finding the Fourth Proportional to 26,562.92, 39,834.81 and 8,790.30

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Solution

The fourth proportional to 26,562.92, 39,834.81 and 8,790.30 is: 13,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,562.92 : 39,834.81 = 8,790.30 : x
  2. Step 2: Convert to fraction form
    26,562.92/39,834.81 = 8,790.30/x
  3. Step 3: Cross multiply
    26,562.92x = 39,834.81 × 8,790.30
  4. Step 4: Simplify right side
    26,562.92x = 350,159,843.03
  5. Step 5: Solve for x
    x = 350,159,843.03/26,562.92
  6. Step 6: Final answer
    x = 13,182.28

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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.