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Finding the Fourth Proportional to 13,369.08, 20,058.21 and 5,051.49

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Solution

The fourth proportional to 13,369.08, 20,058.21 and 5,051.49 is: 7,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.08 : 20,058.21 = 5,051.49 : x
  2. Step 2: Convert to fraction form
    13,369.08/20,058.21 = 5,051.49/x
  3. Step 3: Cross multiply
    13,369.08x = 20,058.21 × 5,051.49
  4. Step 4: Simplify right side
    13,369.08x = 101,323,847.23
  5. Step 5: Solve for x
    x = 101,323,847.23/13,369.08
  6. Step 6: Final answer
    x = 7,578.97

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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.