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Finding the Fourth Proportional to 1,462.89, 2,018.82 and 842.01

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Solution

The fourth proportional to 1,462.89, 2,018.82 and 842.01 is: 1,161.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.89 : 2,018.82 = 842.01 : x
  2. Step 2: Convert to fraction form
    1,462.89/2,018.82 = 842.01/x
  3. Step 3: Cross multiply
    1,462.89x = 2,018.82 × 842.01
  4. Step 4: Simplify right side
    1,462.89x = 1,699,866.63
  5. Step 5: Solve for x
    x = 1,699,866.63/1,462.89
  6. Step 6: Final answer
    x = 1,161.99

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