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Finding the Fourth Proportional to 1,741.16, 2,403.02 and 995.15

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Solution

The fourth proportional to 1,741.16, 2,403.02 and 995.15 is: 1,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.16 : 2,403.02 = 995.15 : x
  2. Step 2: Convert to fraction form
    1,741.16/2,403.02 = 995.15/x
  3. Step 3: Cross multiply
    1,741.16x = 2,403.02 × 995.15
  4. Step 4: Simplify right side
    1,741.16x = 2,391,368.25
  5. Step 5: Solve for x
    x = 2,391,368.25/1,741.16
  6. Step 6: Final answer
    x = 1,373.43

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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.