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Finding the Fourth Proportional to 50,875.70, 76,328.47 and 22,789.51

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Solution

The fourth proportional to 50,875.70, 76,328.47 and 22,789.51 is: 34,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,875.70 : 76,328.47 = 22,789.51 : x
  2. Step 2: Convert to fraction form
    50,875.70/76,328.47 = 22,789.51/x
  3. Step 3: Cross multiply
    50,875.70x = 76,328.47 × 22,789.51
  4. Step 4: Simplify right side
    50,875.70x = 1,739,487,991.73
  5. Step 5: Solve for x
    x = 1,739,487,991.73/50,875.70
  6. Step 6: Final answer
    x = 34,190.94

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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.