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Finding the Fourth Proportional to 36,574.60, 54,859.15 and 13,201.03

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Solution

The fourth proportional to 36,574.60, 54,859.15 and 13,201.03 is: 19,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,574.60 : 54,859.15 = 13,201.03 : x
  2. Step 2: Convert to fraction form
    36,574.60/54,859.15 = 13,201.03/x
  3. Step 3: Cross multiply
    36,574.60x = 54,859.15 × 13,201.03
  4. Step 4: Simplify right side
    36,574.60x = 724,197,284.92
  5. Step 5: Solve for x
    x = 724,197,284.92/36,574.60
  6. Step 6: Final answer
    x = 19,800.55

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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.