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Finding the Fourth Proportional to 19,100.60, 28,626.60 and 17,010.80

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Solution

The fourth proportional to 19,100.60, 28,626.60 and 17,010.80 is: 25,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.60 : 28,626.60 = 17,010.80 : x
  2. Step 2: Convert to fraction form
    19,100.60/28,626.60 = 17,010.80/x
  3. Step 3: Cross multiply
    19,100.60x = 28,626.60 × 17,010.80
  4. Step 4: Simplify right side
    19,100.60x = 486,961,367.28
  5. Step 5: Solve for x
    x = 486,961,367.28/19,100.60
  6. Step 6: Final answer
    x = 25,494.56

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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.