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Finding the Fourth Proportional to 8,762.85, 13,135.50 and 3,495.96

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Solution

The fourth proportional to 8,762.85, 13,135.50 and 3,495.96 is: 5,240.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.85 : 13,135.50 = 3,495.96 : x
  2. Step 2: Convert to fraction form
    8,762.85/13,135.50 = 3,495.96/x
  3. Step 3: Cross multiply
    8,762.85x = 13,135.50 × 3,495.96
  4. Step 4: Simplify right side
    8,762.85x = 45,921,182.58
  5. Step 5: Solve for x
    x = 45,921,182.58/8,762.85
  6. Step 6: Final answer
    x = 5,240.44

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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.