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Finding the Fourth Proportional to 4,672.55, 7,013.49 and 3,357.84

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Solution

The fourth proportional to 4,672.55, 7,013.49 and 3,357.84 is: 5,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.55 : 7,013.49 = 3,357.84 : x
  2. Step 2: Convert to fraction form
    4,672.55/7,013.49 = 3,357.84/x
  3. Step 3: Cross multiply
    4,672.55x = 7,013.49 × 3,357.84
  4. Step 4: Simplify right side
    4,672.55x = 23,550,177.26
  5. Step 5: Solve for x
    x = 23,550,177.26/4,672.55
  6. Step 6: Final answer
    x = 5,040.12

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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.