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Finding the Fourth Proportional to 57,795.25, 86,692.88 and 16,242.25

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Solution

The fourth proportional to 57,795.25, 86,692.88 and 16,242.25 is: 24,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,795.25 : 86,692.88 = 16,242.25 : x
  2. Step 2: Convert to fraction form
    57,795.25/86,692.88 = 16,242.25/x
  3. Step 3: Cross multiply
    57,795.25x = 86,692.88 × 16,242.25
  4. Step 4: Simplify right side
    57,795.25x = 1,408,087,430.18
  5. Step 5: Solve for x
    x = 1,408,087,430.18/57,795.25
  6. Step 6: Final answer
    x = 24,363.38

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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.