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Finding the Fourth Proportional to 4,704.40, 7,040.40 and 3,246.40

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Solution

The fourth proportional to 4,704.40, 7,040.40 and 3,246.40 is: 4,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,704.40 : 7,040.40 = 3,246.40 : x
  2. Step 2: Convert to fraction form
    4,704.40/7,040.40 = 3,246.40/x
  3. Step 3: Cross multiply
    4,704.40x = 7,040.40 × 3,246.40
  4. Step 4: Simplify right side
    4,704.40x = 22,855,954.56
  5. Step 5: Solve for x
    x = 22,855,954.56/4,704.40
  6. Step 6: Final answer
    x = 4,858.42

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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.