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Finding the Fourth Proportional to 17,093.40, 25,640.10 and 13,637.40

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Solution

The fourth proportional to 17,093.40, 25,640.10 and 13,637.40 is: 20,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,093.40 : 25,640.10 = 13,637.40 : x
  2. Step 2: Convert to fraction form
    17,093.40/25,640.10 = 13,637.40/x
  3. Step 3: Cross multiply
    17,093.40x = 25,640.10 × 13,637.40
  4. Step 4: Simplify right side
    17,093.40x = 349,664,299.74
  5. Step 5: Solve for x
    x = 349,664,299.74/17,093.40
  6. Step 6: Final answer
    x = 20,456.10

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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.