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Finding the Fourth Proportional to 1,516.00, 2,091.91 and 852.84

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Solution

The fourth proportional to 1,516.00, 2,091.91 and 852.84 is: 1,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.00 : 2,091.91 = 852.84 : x
  2. Step 2: Convert to fraction form
    1,516.00/2,091.91 = 852.84/x
  3. Step 3: Cross multiply
    1,516.00x = 2,091.91 × 852.84
  4. Step 4: Simplify right side
    1,516.00x = 1,784,062.39
  5. Step 5: Solve for x
    x = 1,784,062.39/1,516.00
  6. Step 6: Final answer
    x = 1,176.82

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Why These Related Problems?

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