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Finding the Fourth Proportional to 7,592.72, 11,375.40 and 7,135.26

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Solution

The fourth proportional to 7,592.72, 11,375.40 and 7,135.26 is: 10,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,592.72 : 11,375.40 = 7,135.26 : x
  2. Step 2: Convert to fraction form
    7,592.72/11,375.40 = 7,135.26/x
  3. Step 3: Cross multiply
    7,592.72x = 11,375.40 × 7,135.26
  4. Step 4: Simplify right side
    7,592.72x = 81,166,436.60
  5. Step 5: Solve for x
    x = 81,166,436.60/7,592.72
  6. Step 6: Final answer
    x = 10,690.03

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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.