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Finding the Fourth Proportional to 1,798.48, 2,483.31 and 1,406.62

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Solution

The fourth proportional to 1,798.48, 2,483.31 and 1,406.62 is: 1,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.48 : 2,483.31 = 1,406.62 : x
  2. Step 2: Convert to fraction form
    1,798.48/2,483.31 = 1,406.62/x
  3. Step 3: Cross multiply
    1,798.48x = 2,483.31 × 1,406.62
  4. Step 4: Simplify right side
    1,798.48x = 3,493,073.51
  5. Step 5: Solve for x
    x = 3,493,073.51/1,798.48
  6. Step 6: Final answer
    x = 1,942.24

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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.