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Finding the Fourth Proportional to 7,602.69, 11,403.48 and 2,672.38

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Solution

The fourth proportional to 7,602.69, 11,403.48 and 2,672.38 is: 4,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.69 : 11,403.48 = 2,672.38 : x
  2. Step 2: Convert to fraction form
    7,602.69/11,403.48 = 2,672.38/x
  3. Step 3: Cross multiply
    7,602.69x = 11,403.48 × 2,672.38
  4. Step 4: Simplify right side
    7,602.69x = 30,474,431.88
  5. Step 5: Solve for x
    x = 30,474,431.88/7,602.69
  6. Step 6: Final answer
    x = 4,008.37

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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.