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Finding the Fourth Proportional to 4,958.70, 7,443.45 and 2,766.30

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Solution

The fourth proportional to 4,958.70, 7,443.45 and 2,766.30 is: 4,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.70 : 7,443.45 = 2,766.30 : x
  2. Step 2: Convert to fraction form
    4,958.70/7,443.45 = 2,766.30/x
  3. Step 3: Cross multiply
    4,958.70x = 7,443.45 × 2,766.30
  4. Step 4: Simplify right side
    4,958.70x = 20,590,815.74
  5. Step 5: Solve for x
    x = 20,590,815.74/4,958.70
  6. Step 6: Final answer
    x = 4,152.46

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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.