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Finding the Fourth Proportional to 58,493.06, 87,745.73 and 19,053.24

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Solution

The fourth proportional to 58,493.06, 87,745.73 and 19,053.24 is: 28,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,493.06 : 87,745.73 = 19,053.24 : x
  2. Step 2: Convert to fraction form
    58,493.06/87,745.73 = 19,053.24/x
  3. Step 3: Cross multiply
    58,493.06x = 87,745.73 × 19,053.24
  4. Step 4: Simplify right side
    58,493.06x = 1,671,840,672.03
  5. Step 5: Solve for x
    x = 1,671,840,672.03/58,493.06
  6. Step 6: Final answer
    x = 28,581.87

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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.