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Finding the Fourth Proportional to 57,871.72, 86,810.96 and 22,333.24

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Solution

The fourth proportional to 57,871.72, 86,810.96 and 22,333.24 is: 33,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,871.72 : 86,810.96 = 22,333.24 : x
  2. Step 2: Convert to fraction form
    57,871.72/86,810.96 = 22,333.24/x
  3. Step 3: Cross multiply
    57,871.72x = 86,810.96 × 22,333.24
  4. Step 4: Simplify right side
    57,871.72x = 1,938,770,004.31
  5. Step 5: Solve for x
    x = 1,938,770,004.31/57,871.72
  6. Step 6: Final answer
    x = 33,501.16

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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.