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Finding the Fourth Proportional to 36,388.42, 54,582.62 and 16,374.52

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Solution

The fourth proportional to 36,388.42, 54,582.62 and 16,374.52 is: 24,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,388.42 : 54,582.62 = 16,374.52 : x
  2. Step 2: Convert to fraction form
    36,388.42/54,582.62 = 16,374.52/x
  3. Step 3: Cross multiply
    36,388.42x = 54,582.62 × 16,374.52
  4. Step 4: Simplify right side
    36,388.42x = 893,764,202.84
  5. Step 5: Solve for x
    x = 893,764,202.84/36,388.42
  6. Step 6: Final answer
    x = 24,561.78

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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.