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Finding the Fourth Proportional to 35,163.54, 52,749.44 and 12,360.42

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Solution

The fourth proportional to 35,163.54, 52,749.44 and 12,360.42 is: 18,542.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,163.54 : 52,749.44 = 12,360.42 : x
  2. Step 2: Convert to fraction form
    35,163.54/52,749.44 = 12,360.42/x
  3. Step 3: Cross multiply
    35,163.54x = 52,749.44 × 12,360.42
  4. Step 4: Simplify right side
    35,163.54x = 652,005,233.16
  5. Step 5: Solve for x
    x = 652,005,233.16/35,163.54
  6. Step 6: Final answer
    x = 18,542.08

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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.