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Finding the Fourth Proportional to 8,692.75, 13,030.48 and 4,530.43

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Solution

The fourth proportional to 8,692.75, 13,030.48 and 4,530.43 is: 6,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.75 : 13,030.48 = 4,530.43 : x
  2. Step 2: Convert to fraction form
    8,692.75/13,030.48 = 4,530.43/x
  3. Step 3: Cross multiply
    8,692.75x = 13,030.48 × 4,530.43
  4. Step 4: Simplify right side
    8,692.75x = 59,033,589.70
  5. Step 5: Solve for x
    x = 59,033,589.70/8,692.75
  6. Step 6: Final answer
    x = 6,791.13

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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.