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Finding the Fourth Proportional to 11,741.70, 16,201.80 and 7,264.44

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Solution

The fourth proportional to 11,741.70, 16,201.80 and 7,264.44 is: 10,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.70 : 16,201.80 = 7,264.44 : x
  2. Step 2: Convert to fraction form
    11,741.70/16,201.80 = 7,264.44/x
  3. Step 3: Cross multiply
    11,741.70x = 16,201.80 × 7,264.44
  4. Step 4: Simplify right side
    11,741.70x = 117,697,003.99
  5. Step 5: Solve for x
    x = 117,697,003.99/11,741.70
  6. Step 6: Final answer
    x = 10,023.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.