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Finding the Fourth Proportional to 4,912.55, 7,368.82 and 4,045.04

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Solution

The fourth proportional to 4,912.55, 7,368.82 and 4,045.04 is: 6,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.55 : 7,368.82 = 4,045.04 : x
  2. Step 2: Convert to fraction form
    4,912.55/7,368.82 = 4,045.04/x
  3. Step 3: Cross multiply
    4,912.55x = 7,368.82 × 4,045.04
  4. Step 4: Simplify right side
    4,912.55x = 29,807,171.65
  5. Step 5: Solve for x
    x = 29,807,171.65/4,912.55
  6. Step 6: Final answer
    x = 6,067.56

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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.