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Finding the Fourth Proportional to 57,645.69, 86,472.99 and 22,124.03

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Solution

The fourth proportional to 57,645.69, 86,472.99 and 22,124.03 is: 33,187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,645.69 : 86,472.99 = 22,124.03 : x
  2. Step 2: Convert to fraction form
    57,645.69/86,472.99 = 22,124.03/x
  3. Step 3: Cross multiply
    57,645.69x = 86,472.99 × 22,124.03
  4. Step 4: Simplify right side
    57,645.69x = 1,913,130,592.58
  5. Step 5: Solve for x
    x = 1,913,130,592.58/57,645.69
  6. Step 6: Final answer
    x = 33,187.75

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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.