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Finding the Fourth Proportional to 8,682.52, 13,024.86 and 3,135.16

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Solution

The fourth proportional to 8,682.52, 13,024.86 and 3,135.16 is: 4,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.52 : 13,024.86 = 3,135.16 : x
  2. Step 2: Convert to fraction form
    8,682.52/13,024.86 = 3,135.16/x
  3. Step 3: Cross multiply
    8,682.52x = 13,024.86 × 3,135.16
  4. Step 4: Simplify right side
    8,682.52x = 40,835,020.08
  5. Step 5: Solve for x
    x = 40,835,020.08/8,682.52
  6. Step 6: Final answer
    x = 4,703.13

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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.