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Finding the Fourth Proportional to 3,241.92, 4,836.44 and 3,152.64

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Solution

The fourth proportional to 3,241.92, 4,836.44 and 3,152.64 is: 4,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.92 : 4,836.44 = 3,152.64 : x
  2. Step 2: Convert to fraction form
    3,241.92/4,836.44 = 3,152.64/x
  3. Step 3: Cross multiply
    3,241.92x = 4,836.44 × 3,152.64
  4. Step 4: Simplify right side
    3,241.92x = 15,247,554.20
  5. Step 5: Solve for x
    x = 15,247,554.20/3,241.92
  6. Step 6: Final answer
    x = 4,703.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.