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Finding the Fourth Proportional to 6,831.71, 10,250.15 and 2,674.69

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Solution

The fourth proportional to 6,831.71, 10,250.15 and 2,674.69 is: 4,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.71 : 10,250.15 = 2,674.69 : x
  2. Step 2: Convert to fraction form
    6,831.71/10,250.15 = 2,674.69/x
  3. Step 3: Cross multiply
    6,831.71x = 10,250.15 × 2,674.69
  4. Step 4: Simplify right side
    6,831.71x = 27,415,973.70
  5. Step 5: Solve for x
    x = 27,415,973.70/6,831.71
  6. Step 6: Final answer
    x = 4,013.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.