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Finding the Fourth Proportional to 50,898.54, 76,335.50 and 21,338.50

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Solution

The fourth proportional to 50,898.54, 76,335.50 and 21,338.50 is: 32,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,898.54 : 76,335.50 = 21,338.50 : x
  2. Step 2: Convert to fraction form
    50,898.54/76,335.50 = 21,338.50/x
  3. Step 3: Cross multiply
    50,898.54x = 76,335.50 × 21,338.50
  4. Step 4: Simplify right side
    50,898.54x = 1,628,885,066.75
  5. Step 5: Solve for x
    x = 1,628,885,066.75/50,898.54
  6. Step 6: Final answer
    x = 32,002.59

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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.