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Finding the Fourth Proportional to 4,594.80, 6,892.51 and 1,821.47

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Solution

The fourth proportional to 4,594.80, 6,892.51 and 1,821.47 is: 2,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,594.80 : 6,892.51 = 1,821.47 : x
  2. Step 2: Convert to fraction form
    4,594.80/6,892.51 = 1,821.47/x
  3. Step 3: Cross multiply
    4,594.80x = 6,892.51 × 1,821.47
  4. Step 4: Simplify right side
    4,594.80x = 12,554,500.19
  5. Step 5: Solve for x
    x = 12,554,500.19/4,594.80
  6. Step 6: Final answer
    x = 2,732.33

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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.