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Finding the Fourth Proportional to 2,716.99, 3,747.14 and 1,831.63

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Solution

The fourth proportional to 2,716.99, 3,747.14 and 1,831.63 is: 2,526.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.99 : 3,747.14 = 1,831.63 : x
  2. Step 2: Convert to fraction form
    2,716.99/3,747.14 = 1,831.63/x
  3. Step 3: Cross multiply
    2,716.99x = 3,747.14 × 1,831.63
  4. Step 4: Simplify right side
    2,716.99x = 6,863,364.88
  5. Step 5: Solve for x
    x = 6,863,364.88/2,716.99
  6. Step 6: Final answer
    x = 2,526.09

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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.