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Finding the Fourth Proportional to 2,846.76, 4,268.49 and 1,528.86

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Solution

The fourth proportional to 2,846.76, 4,268.49 and 1,528.86 is: 2,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.76 : 4,268.49 = 1,528.86 : x
  2. Step 2: Convert to fraction form
    2,846.76/4,268.49 = 1,528.86/x
  3. Step 3: Cross multiply
    2,846.76x = 4,268.49 × 1,528.86
  4. Step 4: Simplify right side
    2,846.76x = 6,525,923.62
  5. Step 5: Solve for x
    x = 6,525,923.62/2,846.76
  6. Step 6: Final answer
    x = 2,292.40

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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.