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Finding the Fourth Proportional to 5,928.89, 8,894.90 and 1,768.91

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Solution

The fourth proportional to 5,928.89, 8,894.90 and 1,768.91 is: 2,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.89 : 8,894.90 = 1,768.91 : x
  2. Step 2: Convert to fraction form
    5,928.89/8,894.90 = 1,768.91/x
  3. Step 3: Cross multiply
    5,928.89x = 8,894.90 × 1,768.91
  4. Step 4: Simplify right side
    5,928.89x = 15,734,237.51
  5. Step 5: Solve for x
    x = 15,734,237.51/5,928.89
  6. Step 6: Final answer
    x = 2,653.83

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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.