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Finding the Fourth Proportional to 57,692.88, 86,541.36 and 29,605.32

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Solution

The fourth proportional to 57,692.88, 86,541.36 and 29,605.32 is: 44,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,692.88 : 86,541.36 = 29,605.32 : x
  2. Step 2: Convert to fraction form
    57,692.88/86,541.36 = 29,605.32/x
  3. Step 3: Cross multiply
    57,692.88x = 86,541.36 × 29,605.32
  4. Step 4: Simplify right side
    57,692.88x = 2,562,084,656.04
  5. Step 5: Solve for x
    x = 2,562,084,656.04/57,692.88
  6. Step 6: Final answer
    x = 44,409.03

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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.