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Finding the Fourth Proportional to 4,615.84, 6,367.84 and 2,936.32

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Solution

The fourth proportional to 4,615.84, 6,367.84 and 2,936.32 is: 4,050.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.84 : 6,367.84 = 2,936.32 : x
  2. Step 2: Convert to fraction form
    4,615.84/6,367.84 = 2,936.32/x
  3. Step 3: Cross multiply
    4,615.84x = 6,367.84 × 2,936.32
  4. Step 4: Simplify right side
    4,615.84x = 18,698,015.95
  5. Step 5: Solve for x
    x = 18,698,015.95/4,615.84
  6. Step 6: Final answer
    x = 4,050.84

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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.