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Finding the Fourth Proportional to 1,741.92, 2,403.86 and 955.97

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Solution

The fourth proportional to 1,741.92, 2,403.86 and 955.97 is: 1,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.92 : 2,403.86 = 955.97 : x
  2. Step 2: Convert to fraction form
    1,741.92/2,403.86 = 955.97/x
  3. Step 3: Cross multiply
    1,741.92x = 2,403.86 × 955.97
  4. Step 4: Simplify right side
    1,741.92x = 2,298,015.64
  5. Step 5: Solve for x
    x = 2,298,015.64/1,741.92
  6. Step 6: Final answer
    x = 1,319.24

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1.5x scale

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.