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Finding the Fourth Proportional to 19,241.25, 26,553.09 and 11,066.09

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Solution

The fourth proportional to 19,241.25, 26,553.09 and 11,066.09 is: 15,271.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.25 : 26,553.09 = 11,066.09 : x
  2. Step 2: Convert to fraction form
    19,241.25/26,553.09 = 11,066.09/x
  3. Step 3: Cross multiply
    19,241.25x = 26,553.09 × 11,066.09
  4. Step 4: Simplify right side
    19,241.25x = 293,838,750.95
  5. Step 5: Solve for x
    x = 293,838,750.95/19,241.25
  6. Step 6: Final answer
    x = 15,271.29

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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.