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Finding the Fourth Proportional to 1,865.67, 2,798.43 and 567.10

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Solution

The fourth proportional to 1,865.67, 2,798.43 and 567.10 is: 850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.67 : 2,798.43 = 567.10 : x
  2. Step 2: Convert to fraction form
    1,865.67/2,798.43 = 567.10/x
  3. Step 3: Cross multiply
    1,865.67x = 2,798.43 × 567.10
  4. Step 4: Simplify right side
    1,865.67x = 1,586,989.65
  5. Step 5: Solve for x
    x = 1,586,989.65/1,865.67
  6. Step 6: Final answer
    x = 850.63

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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.