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Finding the Fourth Proportional to 8,957.87, 13,438.82 and 3,034.42

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Solution

The fourth proportional to 8,957.87, 13,438.82 and 3,034.42 is: 4,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.87 : 13,438.82 = 3,034.42 : x
  2. Step 2: Convert to fraction form
    8,957.87/13,438.82 = 3,034.42/x
  3. Step 3: Cross multiply
    8,957.87x = 13,438.82 × 3,034.42
  4. Step 4: Simplify right side
    8,957.87x = 40,778,975.42
  5. Step 5: Solve for x
    x = 40,778,975.42/8,957.87
  6. Step 6: Final answer
    x = 4,552.31

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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.