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Finding the Fourth Proportional to 8,572.86, 11,829.99 and 4,795.37

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Solution

The fourth proportional to 8,572.86, 11,829.99 and 4,795.37 is: 6,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.86 : 11,829.99 = 4,795.37 : x
  2. Step 2: Convert to fraction form
    8,572.86/11,829.99 = 4,795.37/x
  3. Step 3: Cross multiply
    8,572.86x = 11,829.99 × 4,795.37
  4. Step 4: Simplify right side
    8,572.86x = 56,729,179.15
  5. Step 5: Solve for x
    x = 56,729,179.15/8,572.86
  6. Step 6: Final answer
    x = 6,617.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.