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Finding the Fourth Proportional to 19,602.75, 27,074.07 and 13,304.19

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Solution

The fourth proportional to 19,602.75, 27,074.07 and 13,304.19 is: 18,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.75 : 27,074.07 = 13,304.19 : x
  2. Step 2: Convert to fraction form
    19,602.75/27,074.07 = 13,304.19/x
  3. Step 3: Cross multiply
    19,602.75x = 27,074.07 × 13,304.19
  4. Step 4: Simplify right side
    19,602.75x = 360,198,571.35
  5. Step 5: Solve for x
    x = 360,198,571.35/19,602.75
  6. Step 6: Final answer
    x = 18,374.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.