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Finding the Fourth Proportional to 2,712.07, 3,741.22 and 1,716.99

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Solution

The fourth proportional to 2,712.07, 3,741.22 and 1,716.99 is: 2,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.07 : 3,741.22 = 1,716.99 : x
  2. Step 2: Convert to fraction form
    2,712.07/3,741.22 = 1,716.99/x
  3. Step 3: Cross multiply
    2,712.07x = 3,741.22 × 1,716.99
  4. Step 4: Simplify right side
    2,712.07x = 6,423,637.33
  5. Step 5: Solve for x
    x = 6,423,637.33/2,712.07
  6. Step 6: Final answer
    x = 2,368.54

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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.