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Finding the Fourth Proportional to 26,513.30, 39,769.05 and 6,792.05

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Solution

The fourth proportional to 26,513.30, 39,769.05 and 6,792.05 is: 10,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,513.30 : 39,769.05 = 6,792.05 : x
  2. Step 2: Convert to fraction form
    26,513.30/39,769.05 = 6,792.05/x
  3. Step 3: Cross multiply
    26,513.30x = 39,769.05 × 6,792.05
  4. Step 4: Simplify right side
    26,513.30x = 270,113,376.05
  5. Step 5: Solve for x
    x = 270,113,376.05/26,513.30
  6. Step 6: Final answer
    x = 10,187.84

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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.