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Finding the Fourth Proportional to 19,892.60, 27,283.59 and 17,650.58

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Solution

The fourth proportional to 19,892.60, 27,283.59 and 17,650.58 is: 24,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.60 : 27,283.59 = 17,650.58 : x
  2. Step 2: Convert to fraction form
    19,892.60/27,283.59 = 17,650.58/x
  3. Step 3: Cross multiply
    19,892.60x = 27,283.59 × 17,650.58
  4. Step 4: Simplify right side
    19,892.60x = 481,571,051.56
  5. Step 5: Solve for x
    x = 481,571,051.56/19,892.60
  6. Step 6: Final answer
    x = 24,208.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.