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Finding the Fourth Proportional to 26,605.88, 39,911.06 and 6,884.81

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Solution

The fourth proportional to 26,605.88, 39,911.06 and 6,884.81 is: 10,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.88 : 39,911.06 = 6,884.81 : x
  2. Step 2: Convert to fraction form
    26,605.88/39,911.06 = 6,884.81/x
  3. Step 3: Cross multiply
    26,605.88x = 39,911.06 × 6,884.81
  4. Step 4: Simplify right side
    26,605.88x = 274,780,065.00
  5. Step 5: Solve for x
    x = 274,780,065.00/26,605.88
  6. Step 6: Final answer
    x = 10,327.79

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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.