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Finding the Fourth Proportional to 1,862.54, 2,794.21 and 564.11

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Solution

The fourth proportional to 1,862.54, 2,794.21 and 564.11 is: 846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.54 : 2,794.21 = 564.11 : x
  2. Step 2: Convert to fraction form
    1,862.54/2,794.21 = 564.11/x
  3. Step 3: Cross multiply
    1,862.54x = 2,794.21 × 564.11
  4. Step 4: Simplify right side
    1,862.54x = 1,576,240.07
  5. Step 5: Solve for x
    x = 1,576,240.07/1,862.54
  6. Step 6: Final answer
    x = 846.29

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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.