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Finding the Fourth Proportional to 4,795.75, 7,193.05 and 1,286.03

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Solution

The fourth proportional to 4,795.75, 7,193.05 and 1,286.03 is: 1,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.75 : 7,193.05 = 1,286.03 : x
  2. Step 2: Convert to fraction form
    4,795.75/7,193.05 = 1,286.03/x
  3. Step 3: Cross multiply
    4,795.75x = 7,193.05 × 1,286.03
  4. Step 4: Simplify right side
    4,795.75x = 9,250,492.86
  5. Step 5: Solve for x
    x = 9,250,492.86/4,795.75
  6. Step 6: Final answer
    x = 1,928.89

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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.