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Finding the Fourth Proportional to 19,802.08, 27,361.07 and 19,092.66

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Solution

The fourth proportional to 19,802.08, 27,361.07 and 19,092.66 is: 26,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.08 : 27,361.07 = 19,092.66 : x
  2. Step 2: Convert to fraction form
    19,802.08/27,361.07 = 19,092.66/x
  3. Step 3: Cross multiply
    19,802.08x = 27,361.07 × 19,092.66
  4. Step 4: Simplify right side
    19,802.08x = 522,395,606.75
  5. Step 5: Solve for x
    x = 522,395,606.75/19,802.08
  6. Step 6: Final answer
    x = 26,380.85

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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.