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Finding the Fourth Proportional to 1,741.42, 2,403.06 and 985.18

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Solution

The fourth proportional to 1,741.42, 2,403.06 and 985.18 is: 1,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.42 : 2,403.06 = 985.18 : x
  2. Step 2: Convert to fraction form
    1,741.42/2,403.06 = 985.18/x
  3. Step 3: Cross multiply
    1,741.42x = 2,403.06 × 985.18
  4. Step 4: Simplify right side
    1,741.42x = 2,367,446.65
  5. Step 5: Solve for x
    x = 2,367,446.65/1,741.42
  6. Step 6: Final answer
    x = 1,359.49

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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.