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Finding the Fourth Proportional to 19,043.38, 28,664.38 and 17,232.22

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Solution

The fourth proportional to 19,043.38, 28,664.38 and 17,232.22 is: 25,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.38 : 28,664.38 = 17,232.22 : x
  2. Step 2: Convert to fraction form
    19,043.38/28,664.38 = 17,232.22/x
  3. Step 3: Cross multiply
    19,043.38x = 28,664.38 × 17,232.22
  4. Step 4: Simplify right side
    19,043.38x = 493,950,902.32
  5. Step 5: Solve for x
    x = 493,950,902.32/19,043.38
  6. Step 6: Final answer
    x = 25,938.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.