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Finding the Fourth Proportional to 57,711.52, 86,606.16 and 22,647.04

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Solution

The fourth proportional to 57,711.52, 86,606.16 and 22,647.04 is: 33,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,711.52 : 86,606.16 = 22,647.04 : x
  2. Step 2: Convert to fraction form
    57,711.52/86,606.16 = 22,647.04/x
  3. Step 3: Cross multiply
    57,711.52x = 86,606.16 × 22,647.04
  4. Step 4: Simplify right side
    57,711.52x = 1,961,372,623.50
  5. Step 5: Solve for x
    x = 1,961,372,623.50/57,711.52
  6. Step 6: Final answer
    x = 33,985.81

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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.