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Finding the Fourth Proportional to 17,993.20, 26,938.44 and 14,300.68

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Solution

The fourth proportional to 17,993.20, 26,938.44 and 14,300.68 is: 21,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.20 : 26,938.44 = 14,300.68 : x
  2. Step 2: Convert to fraction form
    17,993.20/26,938.44 = 14,300.68/x
  3. Step 3: Cross multiply
    17,993.20x = 26,938.44 × 14,300.68
  4. Step 4: Simplify right side
    17,993.20x = 385,238,010.14
  5. Step 5: Solve for x
    x = 385,238,010.14/17,993.20
  6. Step 6: Final answer
    x = 21,410.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.