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Finding the Fourth Proportional to 14,909.56, 20,577.70 and 8,625.56

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Solution

The fourth proportional to 14,909.56, 20,577.70 and 8,625.56 is: 11,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.56 : 20,577.70 = 8,625.56 : x
  2. Step 2: Convert to fraction form
    14,909.56/20,577.70 = 8,625.56/x
  3. Step 3: Cross multiply
    14,909.56x = 20,577.70 × 8,625.56
  4. Step 4: Simplify right side
    14,909.56x = 177,494,186.01
  5. Step 5: Solve for x
    x = 177,494,186.01/14,909.56
  6. Step 6: Final answer
    x = 11,904.72

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