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Finding the Fourth Proportional to 1,417.83, 1,958.49 and 1,090.32

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Solution

The fourth proportional to 1,417.83, 1,958.49 and 1,090.32 is: 1,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.83 : 1,958.49 = 1,090.32 : x
  2. Step 2: Convert to fraction form
    1,417.83/1,958.49 = 1,090.32/x
  3. Step 3: Cross multiply
    1,417.83x = 1,958.49 × 1,090.32
  4. Step 4: Simplify right side
    1,417.83x = 2,135,380.82
  5. Step 5: Solve for x
    x = 2,135,380.82/1,417.83
  6. Step 6: Final answer
    x = 1,506.09

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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.