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Finding the Fourth Proportional to 4,770.44, 7,156.14 and 4,153.64

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Solution

The fourth proportional to 4,770.44, 7,156.14 and 4,153.64 is: 6,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.44 : 7,156.14 = 4,153.64 : x
  2. Step 2: Convert to fraction form
    4,770.44/7,156.14 = 4,153.64/x
  3. Step 3: Cross multiply
    4,770.44x = 7,156.14 × 4,153.64
  4. Step 4: Simplify right side
    4,770.44x = 29,724,029.35
  5. Step 5: Solve for x
    x = 29,724,029.35/4,770.44
  6. Step 6: Final answer
    x = 6,230.88

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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.