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Finding the Fourth Proportional to 4,795.44, 7,146.13 and 4,638.84

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Solution

The fourth proportional to 4,795.44, 7,146.13 and 4,638.84 is: 6,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.44 : 7,146.13 = 4,638.84 : x
  2. Step 2: Convert to fraction form
    4,795.44/7,146.13 = 4,638.84/x
  3. Step 3: Cross multiply
    4,795.44x = 7,146.13 × 4,638.84
  4. Step 4: Simplify right side
    4,795.44x = 33,149,753.69
  5. Step 5: Solve for x
    x = 33,149,753.69/4,795.44
  6. Step 6: Final answer
    x = 6,912.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.