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Finding the Fourth Proportional to 1,516.52, 2,093.60 and 1,021.76

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Solution

The fourth proportional to 1,516.52, 2,093.60 and 1,021.76 is: 1,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.52 : 2,093.60 = 1,021.76 : x
  2. Step 2: Convert to fraction form
    1,516.52/2,093.60 = 1,021.76/x
  3. Step 3: Cross multiply
    1,516.52x = 2,093.60 × 1,021.76
  4. Step 4: Simplify right side
    1,516.52x = 2,139,162.70
  5. Step 5: Solve for x
    x = 2,139,162.70/1,516.52
  6. Step 6: Final answer
    x = 1,410.57

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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.