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Finding the Fourth Proportional to 58,483.21, 87,704.11 and 19,032.97

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Solution

The fourth proportional to 58,483.21, 87,704.11 and 19,032.97 is: 28,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,483.21 : 87,704.11 = 19,032.97 : x
  2. Step 2: Convert to fraction form
    58,483.21/87,704.11 = 19,032.97/x
  3. Step 3: Cross multiply
    58,483.21x = 87,704.11 × 19,032.97
  4. Step 4: Simplify right side
    58,483.21x = 1,669,269,694.51
  5. Step 5: Solve for x
    x = 1,669,269,694.51/58,483.21
  6. Step 6: Final answer
    x = 28,542.72

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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.