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Finding the Fourth Proportional to 26,489.52, 39,735.90 and 8,021.52

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Solution

The fourth proportional to 26,489.52, 39,735.90 and 8,021.52 is: 12,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.52 : 39,735.90 = 8,021.52 : x
  2. Step 2: Convert to fraction form
    26,489.52/39,735.90 = 8,021.52/x
  3. Step 3: Cross multiply
    26,489.52x = 39,735.90 × 8,021.52
  4. Step 4: Simplify right side
    26,489.52x = 318,742,316.57
  5. Step 5: Solve for x
    x = 318,742,316.57/26,489.52
  6. Step 6: Final answer
    x = 12,032.77

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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.