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Finding the Fourth Proportional to 3,935.79, 5,903.65 and 1,014.09

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Solution

The fourth proportional to 3,935.79, 5,903.65 and 1,014.09 is: 1,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.79 : 5,903.65 = 1,014.09 : x
  2. Step 2: Convert to fraction form
    3,935.79/5,903.65 = 1,014.09/x
  3. Step 3: Cross multiply
    3,935.79x = 5,903.65 × 1,014.09
  4. Step 4: Simplify right side
    3,935.79x = 5,986,811.56
  5. Step 5: Solve for x
    x = 5,986,811.56/3,935.79
  6. Step 6: Final answer
    x = 1,521.12

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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.