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Finding the Fourth Proportional to 27,205.77, 40,808.81 and 9,676.97

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Solution

The fourth proportional to 27,205.77, 40,808.81 and 9,676.97 is: 14,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,205.77 : 40,808.81 = 9,676.97 : x
  2. Step 2: Convert to fraction form
    27,205.77/40,808.81 = 9,676.97/x
  3. Step 3: Cross multiply
    27,205.77x = 40,808.81 × 9,676.97
  4. Step 4: Simplify right side
    27,205.77x = 394,905,603.29
  5. Step 5: Solve for x
    x = 394,905,603.29/27,205.77
  6. Step 6: Final answer
    x = 14,515.51

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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.