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Finding the Fourth Proportional to 1,927.67, 2,891.50 and 466.82

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Solution

The fourth proportional to 1,927.67, 2,891.50 and 466.82 is: 700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.67 : 2,891.50 = 466.82 : x
  2. Step 2: Convert to fraction form
    1,927.67/2,891.50 = 466.82/x
  3. Step 3: Cross multiply
    1,927.67x = 2,891.50 × 466.82
  4. Step 4: Simplify right side
    1,927.67x = 1,349,794.41
  5. Step 5: Solve for x
    x = 1,349,794.41/1,927.67
  6. Step 6: Final answer
    x = 700.22

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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.