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Finding the Fourth Proportional to 1,462.98, 2,018.88 and 873.66

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Solution

The fourth proportional to 1,462.98, 2,018.88 and 873.66 is: 1,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.98 : 2,018.88 = 873.66 : x
  2. Step 2: Convert to fraction form
    1,462.98/2,018.88 = 873.66/x
  3. Step 3: Cross multiply
    1,462.98x = 2,018.88 × 873.66
  4. Step 4: Simplify right side
    1,462.98x = 1,763,814.70
  5. Step 5: Solve for x
    x = 1,763,814.70/1,462.98
  6. Step 6: Final answer
    x = 1,205.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.