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Finding the Fourth Proportional to 1,499.57, 2,071.26 and 1,059.44

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Solution

The fourth proportional to 1,499.57, 2,071.26 and 1,059.44 is: 1,463.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.57 : 2,071.26 = 1,059.44 : x
  2. Step 2: Convert to fraction form
    1,499.57/2,071.26 = 1,059.44/x
  3. Step 3: Cross multiply
    1,499.57x = 2,071.26 × 1,059.44
  4. Step 4: Simplify right side
    1,499.57x = 2,194,375.69
  5. Step 5: Solve for x
    x = 2,194,375.69/1,499.57
  6. Step 6: Final answer
    x = 1,463.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.