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Finding the Fourth Proportional to 4,823.96, 7,235.94 and 1,902.20

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Solution

The fourth proportional to 4,823.96, 7,235.94 and 1,902.20 is: 2,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,823.96 : 7,235.94 = 1,902.20 : x
  2. Step 2: Convert to fraction form
    4,823.96/7,235.94 = 1,902.20/x
  3. Step 3: Cross multiply
    4,823.96x = 7,235.94 × 1,902.20
  4. Step 4: Simplify right side
    4,823.96x = 13,764,168.89
  5. Step 5: Solve for x
    x = 13,764,168.89/4,823.96
  6. Step 6: Final answer
    x = 2,853.30

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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.