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Finding the Fourth Proportional to 13,369.16, 18,452.54 and 8,893.10

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Solution

The fourth proportional to 13,369.16, 18,452.54 and 8,893.10 is: 12,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.16 : 18,452.54 = 8,893.10 : x
  2. Step 2: Convert to fraction form
    13,369.16/18,452.54 = 8,893.10/x
  3. Step 3: Cross multiply
    13,369.16x = 18,452.54 × 8,893.10
  4. Step 4: Simplify right side
    13,369.16x = 164,100,351.84
  5. Step 5: Solve for x
    x = 164,100,351.84/13,369.16
  6. Step 6: Final answer
    x = 12,274.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.