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Finding the Fourth Proportional to 4,496.67, 6,745 and 1,574.30

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Solution

The fourth proportional to 4,496.67, 6,745 and 1,574.30 is: 2,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,496.67 : 6,745 = 1,574.30 : x
  2. Step 2: Convert to fraction form
    4,496.67/6,745 = 1,574.30/x
  3. Step 3: Cross multiply
    4,496.67x = 6,745 × 1,574.30
  4. Step 4: Simplify right side
    4,496.67x = 10,618,653.50
  5. Step 5: Solve for x
    x = 10,618,653.50/4,496.67
  6. Step 6: Final answer
    x = 2,361.45

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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.