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Finding the Fourth Proportional to 4,551.86, 6,828.83 and 1,955.54

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Solution

The fourth proportional to 4,551.86, 6,828.83 and 1,955.54 is: 2,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.86 : 6,828.83 = 1,955.54 : x
  2. Step 2: Convert to fraction form
    4,551.86/6,828.83 = 1,955.54/x
  3. Step 3: Cross multiply
    4,551.86x = 6,828.83 × 1,955.54
  4. Step 4: Simplify right side
    4,551.86x = 13,354,050.22
  5. Step 5: Solve for x
    x = 13,354,050.22/4,551.86
  6. Step 6: Final answer
    x = 2,933.76

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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.