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Finding the Fourth Proportional to 1,741.61, 2,403.41 and 955.68

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Solution

The fourth proportional to 1,741.61, 2,403.41 and 955.68 is: 1,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.61 : 2,403.41 = 955.68 : x
  2. Step 2: Convert to fraction form
    1,741.61/2,403.41 = 955.68/x
  3. Step 3: Cross multiply
    1,741.61x = 2,403.41 × 955.68
  4. Step 4: Simplify right side
    1,741.61x = 2,296,886.09
  5. Step 5: Solve for x
    x = 2,296,886.09/1,741.61
  6. Step 6: Final answer
    x = 1,318.83

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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.