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Finding the Fourth Proportional to 1,195.02, 1,794.51 and 807.53

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Solution

The fourth proportional to 1,195.02, 1,794.51 and 807.53 is: 1,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.02 : 1,794.51 = 807.53 : x
  2. Step 2: Convert to fraction form
    1,195.02/1,794.51 = 807.53/x
  3. Step 3: Cross multiply
    1,195.02x = 1,794.51 × 807.53
  4. Step 4: Simplify right side
    1,195.02x = 1,449,111.69
  5. Step 5: Solve for x
    x = 1,449,111.69/1,195.02
  6. Step 6: Final answer
    x = 1,212.63

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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.