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Finding the Fourth Proportional to 8,958.71, 13,440.08 and 3,035.26

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Solution

The fourth proportional to 8,958.71, 13,440.08 and 3,035.26 is: 4,553.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.71 : 13,440.08 = 3,035.26 : x
  2. Step 2: Convert to fraction form
    8,958.71/13,440.08 = 3,035.26/x
  3. Step 3: Cross multiply
    8,958.71x = 13,440.08 × 3,035.26
  4. Step 4: Simplify right side
    8,958.71x = 40,794,111.21
  5. Step 5: Solve for x
    x = 40,794,111.21/8,958.71
  6. Step 6: Final answer
    x = 4,553.57

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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.