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Finding the Fourth Proportional to 5,903.81, 8,851.72 and 2,938.49

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Solution

The fourth proportional to 5,903.81, 8,851.72 and 2,938.49 is: 4,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.81 : 8,851.72 = 2,938.49 : x
  2. Step 2: Convert to fraction form
    5,903.81/8,851.72 = 2,938.49/x
  3. Step 3: Cross multiply
    5,903.81x = 8,851.72 × 2,938.49
  4. Step 4: Simplify right side
    5,903.81x = 26,010,690.70
  5. Step 5: Solve for x
    x = 26,010,690.70/5,903.81
  6. Step 6: Final answer
    x = 4,405.75

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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.