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Finding the Fourth Proportional to 1,741.67, 2,403.21 and 995.51

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Solution

The fourth proportional to 1,741.67, 2,403.21 and 995.51 is: 1,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.67 : 2,403.21 = 995.51 : x
  2. Step 2: Convert to fraction form
    1,741.67/2,403.21 = 995.51/x
  3. Step 3: Cross multiply
    1,741.67x = 2,403.21 × 995.51
  4. Step 4: Simplify right side
    1,741.67x = 2,392,419.59
  5. Step 5: Solve for x
    x = 2,392,419.59/1,741.67
  6. Step 6: Final answer
    x = 1,373.64

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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.