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Finding the Fourth Proportional to 26,933.20, 40,401.60 and 9,163.60

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Solution

The fourth proportional to 26,933.20, 40,401.60 and 9,163.60 is: 13,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,933.20 : 40,401.60 = 9,163.60 : x
  2. Step 2: Convert to fraction form
    26,933.20/40,401.60 = 9,163.60/x
  3. Step 3: Cross multiply
    26,933.20x = 40,401.60 × 9,163.60
  4. Step 4: Simplify right side
    26,933.20x = 370,224,101.76
  5. Step 5: Solve for x
    x = 370,224,101.76/26,933.20
  6. Step 6: Final answer
    x = 13,746.01

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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.