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Finding the Fourth Proportional to 12,994.92, 19,494.72 and 6,069.42

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Solution

The fourth proportional to 12,994.92, 19,494.72 and 6,069.42 is: 9,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994.92 : 19,494.72 = 6,069.42 : x
  2. Step 2: Convert to fraction form
    12,994.92/19,494.72 = 6,069.42/x
  3. Step 3: Cross multiply
    12,994.92x = 19,494.72 × 6,069.42
  4. Step 4: Simplify right side
    12,994.92x = 118,321,643.46
  5. Step 5: Solve for x
    x = 118,321,643.46/12,994.92
  6. Step 6: Final answer
    x = 9,105.22

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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.