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Finding the Fourth Proportional to 35,508.73, 53,163.72 and 18,831.10

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Solution

The fourth proportional to 35,508.73, 53,163.72 and 18,831.10 is: 28,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,508.73 : 53,163.72 = 18,831.10 : x
  2. Step 2: Convert to fraction form
    35,508.73/53,163.72 = 18,831.10/x
  3. Step 3: Cross multiply
    35,508.73x = 53,163.72 × 18,831.10
  4. Step 4: Simplify right side
    35,508.73x = 1,001,131,327.69
  5. Step 5: Solve for x
    x = 1,001,131,327.69/35,508.73
  6. Step 6: Final answer
    x = 28,193.95

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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.