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Finding the Fourth Proportional to 26,932.20, 40,401.63 and 9,165.84

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Solution

The fourth proportional to 26,932.20, 40,401.63 and 9,165.84 is: 13,749.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,932.20 : 40,401.63 = 9,165.84 : x
  2. Step 2: Convert to fraction form
    26,932.20/40,401.63 = 9,165.84/x
  3. Step 3: Cross multiply
    26,932.20x = 40,401.63 × 9,165.84
  4. Step 4: Simplify right side
    26,932.20x = 370,314,876.32
  5. Step 5: Solve for x
    x = 370,314,876.32/26,932.20
  6. Step 6: Final answer
    x = 13,749.89

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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.