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Finding the Fourth Proportional to 4,755.46, 7,133.18 and 1,831.71

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Solution

The fourth proportional to 4,755.46, 7,133.18 and 1,831.71 is: 2,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.46 : 7,133.18 = 1,831.71 : x
  2. Step 2: Convert to fraction form
    4,755.46/7,133.18 = 1,831.71/x
  3. Step 3: Cross multiply
    4,755.46x = 7,133.18 × 1,831.71
  4. Step 4: Simplify right side
    4,755.46x = 13,065,907.98
  5. Step 5: Solve for x
    x = 13,065,907.98/4,755.46
  6. Step 6: Final answer
    x = 2,747.56

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1.5x scale

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.