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Finding the Fourth Proportional to 35,645.88, 53,481.03 and 13,465.65

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Solution

The fourth proportional to 35,645.88, 53,481.03 and 13,465.65 is: 20,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.88 : 53,481.03 = 13,465.65 : x
  2. Step 2: Convert to fraction form
    35,645.88/53,481.03 = 13,465.65/x
  3. Step 3: Cross multiply
    35,645.88x = 53,481.03 × 13,465.65
  4. Step 4: Simplify right side
    35,645.88x = 720,156,831.62
  5. Step 5: Solve for x
    x = 720,156,831.62/35,645.88
  6. Step 6: Final answer
    x = 20,203.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.