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Finding the Fourth Proportional to 11,375.40, 17,060.94 and 5,528.28

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Solution

The fourth proportional to 11,375.40, 17,060.94 and 5,528.28 is: 8,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.40 : 17,060.94 = 5,528.28 : x
  2. Step 2: Convert to fraction form
    11,375.40/17,060.94 = 5,528.28/x
  3. Step 3: Cross multiply
    11,375.40x = 17,060.94 × 5,528.28
  4. Step 4: Simplify right side
    11,375.40x = 94,317,653.38
  5. Step 5: Solve for x
    x = 94,317,653.38/11,375.40
  6. Step 6: Final answer
    x = 8,291.37

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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.