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Finding the Fourth Proportional to 13,096.71, 18,074.34 and 7,994.39

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Solution

The fourth proportional to 13,096.71, 18,074.34 and 7,994.39 is: 11,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096.71 : 18,074.34 = 7,994.39 : x
  2. Step 2: Convert to fraction form
    13,096.71/18,074.34 = 7,994.39/x
  3. Step 3: Cross multiply
    13,096.71x = 18,074.34 × 7,994.39
  4. Step 4: Simplify right side
    13,096.71x = 144,493,232.58
  5. Step 5: Solve for x
    x = 144,493,232.58/13,096.71
  6. Step 6: Final answer
    x = 11,032.79

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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.