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Finding the Fourth Proportional to 8,755.88, 13,134 and 4,884.92

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Solution

The fourth proportional to 8,755.88, 13,134 and 4,884.92 is: 7,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.88 : 13,134 = 4,884.92 : x
  2. Step 2: Convert to fraction form
    8,755.88/13,134 = 4,884.92/x
  3. Step 3: Cross multiply
    8,755.88x = 13,134 × 4,884.92
  4. Step 4: Simplify right side
    8,755.88x = 64,158,539.28
  5. Step 5: Solve for x
    x = 64,158,539.28/8,755.88
  6. Step 6: Final answer
    x = 7,327.48

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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.