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Finding the Fourth Proportional to 4,405.96, 6,608.96 and 1,119.05

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Solution

The fourth proportional to 4,405.96, 6,608.96 and 1,119.05 is: 1,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.96 : 6,608.96 = 1,119.05 : x
  2. Step 2: Convert to fraction form
    4,405.96/6,608.96 = 1,119.05/x
  3. Step 3: Cross multiply
    4,405.96x = 6,608.96 × 1,119.05
  4. Step 4: Simplify right side
    4,405.96x = 7,395,753.32
  5. Step 5: Solve for x
    x = 7,395,753.32/4,405.96
  6. Step 6: Final answer
    x = 1,678.58

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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.