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Finding the Fourth Proportional to 6,448.44, 8,893.82 and 4,323.28

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Solution

The fourth proportional to 6,448.44, 8,893.82 and 4,323.28 is: 5,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.44 : 8,893.82 = 4,323.28 : x
  2. Step 2: Convert to fraction form
    6,448.44/8,893.82 = 4,323.28/x
  3. Step 3: Cross multiply
    6,448.44x = 8,893.82 × 4,323.28
  4. Step 4: Simplify right side
    6,448.44x = 38,450,474.13
  5. Step 5: Solve for x
    x = 38,450,474.13/6,448.44
  6. Step 6: Final answer
    x = 5,962.76

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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.