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Finding the Fourth Proportional to 35,451.75, 48,923.21 and 19,319.03

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Solution

The fourth proportional to 35,451.75, 48,923.21 and 19,319.03 is: 26,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,451.75 : 48,923.21 = 19,319.03 : x
  2. Step 2: Convert to fraction form
    35,451.75/48,923.21 = 19,319.03/x
  3. Step 3: Cross multiply
    35,451.75x = 48,923.21 × 19,319.03
  4. Step 4: Simplify right side
    35,451.75x = 945,148,620.48
  5. Step 5: Solve for x
    x = 945,148,620.48/35,451.75
  6. Step 6: Final answer
    x = 26,660.14

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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.