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Finding the Fourth Proportional to 1,846.86, 2,762.66 and 1,684.64

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Solution

The fourth proportional to 1,846.86, 2,762.66 and 1,684.64 is: 2,520.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.86 : 2,762.66 = 1,684.64 : x
  2. Step 2: Convert to fraction form
    1,846.86/2,762.66 = 1,684.64/x
  3. Step 3: Cross multiply
    1,846.86x = 2,762.66 × 1,684.64
  4. Step 4: Simplify right side
    1,846.86x = 4,654,087.54
  5. Step 5: Solve for x
    x = 4,654,087.54/1,846.86
  6. Step 6: Final answer
    x = 2,520.00

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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.