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Finding the Fourth Proportional to 58,512.48, 87,774.90 and 19,072.68

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Solution

The fourth proportional to 58,512.48, 87,774.90 and 19,072.68 is: 28,611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,512.48 : 87,774.90 = 19,072.68 : x
  2. Step 2: Convert to fraction form
    58,512.48/87,774.90 = 19,072.68/x
  3. Step 3: Cross multiply
    58,512.48x = 87,774.90 × 19,072.68
  4. Step 4: Simplify right side
    58,512.48x = 1,674,102,579.73
  5. Step 5: Solve for x
    x = 1,674,102,579.73/58,512.48
  6. Step 6: Final answer
    x = 28,611.03

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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.