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Finding the Fourth Proportional to 8,692.52, 13,040.70 and 4,073

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Solution

The fourth proportional to 8,692.52, 13,040.70 and 4,073 is: 6,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.52 : 13,040.70 = 4,073 : x
  2. Step 2: Convert to fraction form
    8,692.52/13,040.70 = 4,073/x
  3. Step 3: Cross multiply
    8,692.52x = 13,040.70 × 4,073
  4. Step 4: Simplify right side
    8,692.52x = 53,114,771.10
  5. Step 5: Solve for x
    x = 53,114,771.10/8,692.52
  6. Step 6: Final answer
    x = 6,110.40

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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.