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Finding the Fourth Proportional to 11,745.09, 17,621.48 and 4,350.09

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Solution

The fourth proportional to 11,745.09, 17,621.48 and 4,350.09 is: 6,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.09 : 17,621.48 = 4,350.09 : x
  2. Step 2: Convert to fraction form
    11,745.09/17,621.48 = 4,350.09/x
  3. Step 3: Cross multiply
    11,745.09x = 17,621.48 × 4,350.09
  4. Step 4: Simplify right side
    11,745.09x = 76,655,002.18
  5. Step 5: Solve for x
    x = 76,655,002.18/11,745.09
  6. Step 6: Final answer
    x = 6,526.56

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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.