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Finding the Fourth Proportional to 26,593.93, 39,878.64 and 7,867.27

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Solution

The fourth proportional to 26,593.93, 39,878.64 and 7,867.27 is: 11,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,593.93 : 39,878.64 = 7,867.27 : x
  2. Step 2: Convert to fraction form
    26,593.93/39,878.64 = 7,867.27/x
  3. Step 3: Cross multiply
    26,593.93x = 39,878.64 × 7,867.27
  4. Step 4: Simplify right side
    26,593.93x = 313,735,928.42
  5. Step 5: Solve for x
    x = 313,735,928.42/26,593.93
  6. Step 6: Final answer
    x = 11,797.28

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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.