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Finding the Fourth Proportional to 45,980.44, 68,965.44 and 12,705.22

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Solution

The fourth proportional to 45,980.44, 68,965.44 and 12,705.22 is: 19,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,980.44 : 68,965.44 = 12,705.22 : x
  2. Step 2: Convert to fraction form
    45,980.44/68,965.44 = 12,705.22/x
  3. Step 3: Cross multiply
    45,980.44x = 68,965.44 × 12,705.22
  4. Step 4: Simplify right side
    45,980.44x = 876,221,087.60
  5. Step 5: Solve for x
    x = 876,221,087.60/45,980.44
  6. Step 6: Final answer
    x = 19,056.39

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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.