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Finding the Fourth Proportional to 12,009.52, 17,893.49 and 11,338.84

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Solution

The fourth proportional to 12,009.52, 17,893.49 and 11,338.84 is: 16,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.52 : 17,893.49 = 11,338.84 : x
  2. Step 2: Convert to fraction form
    12,009.52/17,893.49 = 11,338.84/x
  3. Step 3: Cross multiply
    12,009.52x = 17,893.49 × 11,338.84
  4. Step 4: Simplify right side
    12,009.52x = 202,891,420.15
  5. Step 5: Solve for x
    x = 202,891,420.15/12,009.52
  6. Step 6: Final answer
    x = 16,894.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.