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Finding the Fourth Proportional to 4,810.86, 7,205.85 and 2,340.48

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Solution

The fourth proportional to 4,810.86, 7,205.85 and 2,340.48 is: 3,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.86 : 7,205.85 = 2,340.48 : x
  2. Step 2: Convert to fraction form
    4,810.86/7,205.85 = 2,340.48/x
  3. Step 3: Cross multiply
    4,810.86x = 7,205.85 × 2,340.48
  4. Step 4: Simplify right side
    4,810.86x = 16,865,147.81
  5. Step 5: Solve for x
    x = 16,865,147.81/4,810.86
  6. Step 6: Final answer
    x = 3,505.64

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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.