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Finding the Fourth Proportional to 5,913.67, 8,873.94 and 2,218.47

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Solution

The fourth proportional to 5,913.67, 8,873.94 and 2,218.47 is: 3,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.67 : 8,873.94 = 2,218.47 : x
  2. Step 2: Convert to fraction form
    5,913.67/8,873.94 = 2,218.47/x
  3. Step 3: Cross multiply
    5,913.67x = 8,873.94 × 2,218.47
  4. Step 4: Simplify right side
    5,913.67x = 19,686,569.67
  5. Step 5: Solve for x
    x = 19,686,569.67/5,913.67
  6. Step 6: Final answer
    x = 3,328.99

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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.