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Finding the Fourth Proportional to 8,735.85, 13,108.64 and 4,839.75

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Solution

The fourth proportional to 8,735.85, 13,108.64 and 4,839.75 is: 7,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.85 : 13,108.64 = 4,839.75 : x
  2. Step 2: Convert to fraction form
    8,735.85/13,108.64 = 4,839.75/x
  3. Step 3: Cross multiply
    8,735.85x = 13,108.64 × 4,839.75
  4. Step 4: Simplify right side
    8,735.85x = 63,442,516.24
  5. Step 5: Solve for x
    x = 63,442,516.24/8,735.85
  6. Step 6: Final answer
    x = 7,262.32

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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.