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Finding the Fourth Proportional to 56,571.36, 84,787.36 and 23,270.64

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Solution

The fourth proportional to 56,571.36, 84,787.36 and 23,270.64 is: 34,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,571.36 : 84,787.36 = 23,270.64 : x
  2. Step 2: Convert to fraction form
    56,571.36/84,787.36 = 23,270.64/x
  3. Step 3: Cross multiply
    56,571.36x = 84,787.36 × 23,270.64
  4. Step 4: Simplify right side
    56,571.36x = 1,973,056,131.11
  5. Step 5: Solve for x
    x = 1,973,056,131.11/56,571.36
  6. Step 6: Final answer
    x = 34,877.30

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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.