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Finding the Fourth Proportional to 11,369.96, 17,032.34 and 8,893.20

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Solution

The fourth proportional to 11,369.96, 17,032.34 and 8,893.20 is: 13,322.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.96 : 17,032.34 = 8,893.20 : x
  2. Step 2: Convert to fraction form
    11,369.96/17,032.34 = 8,893.20/x
  3. Step 3: Cross multiply
    11,369.96x = 17,032.34 × 8,893.20
  4. Step 4: Simplify right side
    11,369.96x = 151,472,006.09
  5. Step 5: Solve for x
    x = 151,472,006.09/11,369.96
  6. Step 6: Final answer
    x = 13,322.12

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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.