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Finding the Fourth Proportional to 30,750.56, 46,125.04 and 8,563.04

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Solution

The fourth proportional to 30,750.56, 46,125.04 and 8,563.04 is: 12,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,750.56 : 46,125.04 = 8,563.04 : x
  2. Step 2: Convert to fraction form
    30,750.56/46,125.04 = 8,563.04/x
  3. Step 3: Cross multiply
    30,750.56x = 46,125.04 × 8,563.04
  4. Step 4: Simplify right side
    30,750.56x = 394,970,562.52
  5. Step 5: Solve for x
    x = 394,970,562.52/30,750.56
  6. Step 6: Final answer
    x = 12,844.34

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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.