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Finding the Fourth Proportional to 12,801.57, 19,202.34 and 3,567.57

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Solution

The fourth proportional to 12,801.57, 19,202.34 and 3,567.57 is: 5,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.57 : 19,202.34 = 3,567.57 : x
  2. Step 2: Convert to fraction form
    12,801.57/19,202.34 = 3,567.57/x
  3. Step 3: Cross multiply
    12,801.57x = 19,202.34 × 3,567.57
  4. Step 4: Simplify right side
    12,801.57x = 68,505,692.11
  5. Step 5: Solve for x
    x = 68,505,692.11/12,801.57
  6. Step 6: Final answer
    x = 5,351.35

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1.5x scale

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.