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Finding the Fourth Proportional to 26,555.92, 39,837.52 and 9,021.04

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Solution

The fourth proportional to 26,555.92, 39,837.52 and 9,021.04 is: 13,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.92 : 39,837.52 = 9,021.04 : x
  2. Step 2: Convert to fraction form
    26,555.92/39,837.52 = 9,021.04/x
  3. Step 3: Cross multiply
    26,555.92x = 39,837.52 × 9,021.04
  4. Step 4: Simplify right side
    26,555.92x = 359,375,861.42
  5. Step 5: Solve for x
    x = 359,375,861.42/26,555.92
  6. Step 6: Final answer
    x = 13,532.80

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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.