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Finding the Fourth Proportional to 1,195.84, 1,794.92 and 1,130.10

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Solution

The fourth proportional to 1,195.84, 1,794.92 and 1,130.10 is: 1,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.84 : 1,794.92 = 1,130.10 : x
  2. Step 2: Convert to fraction form
    1,195.84/1,794.92 = 1,130.10/x
  3. Step 3: Cross multiply
    1,195.84x = 1,794.92 × 1,130.10
  4. Step 4: Simplify right side
    1,195.84x = 2,028,439.09
  5. Step 5: Solve for x
    x = 2,028,439.09/1,195.84
  6. Step 6: Final answer
    x = 1,696.25

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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.