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Finding the Fourth Proportional to 4,831.49, 7,250.48 and 1,711.48

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Solution

The fourth proportional to 4,831.49, 7,250.48 and 1,711.48 is: 2,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.49 : 7,250.48 = 1,711.48 : x
  2. Step 2: Convert to fraction form
    4,831.49/7,250.48 = 1,711.48/x
  3. Step 3: Cross multiply
    4,831.49x = 7,250.48 × 1,711.48
  4. Step 4: Simplify right side
    4,831.49x = 12,409,042.95
  5. Step 5: Solve for x
    x = 12,409,042.95/4,831.49
  6. Step 6: Final answer
    x = 2,568.37

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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.