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Finding the Fourth Proportional to 4,928.58, 6,747 and 4,893.42

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Solution

The fourth proportional to 4,928.58, 6,747 and 4,893.42 is: 6,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.58 : 6,747 = 4,893.42 : x
  2. Step 2: Convert to fraction form
    4,928.58/6,747 = 4,893.42/x
  3. Step 3: Cross multiply
    4,928.58x = 6,747 × 4,893.42
  4. Step 4: Simplify right side
    4,928.58x = 33,015,904.74
  5. Step 5: Solve for x
    x = 33,015,904.74/4,928.58
  6. Step 6: Final answer
    x = 6,698.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.