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Finding the Fourth Proportional to 13,300.53, 18,352.51 and 8,524.68

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Solution

The fourth proportional to 13,300.53, 18,352.51 and 8,524.68 is: 11,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.53 : 18,352.51 = 8,524.68 : x
  2. Step 2: Convert to fraction form
    13,300.53/18,352.51 = 8,524.68/x
  3. Step 3: Cross multiply
    13,300.53x = 18,352.51 × 8,524.68
  4. Step 4: Simplify right side
    13,300.53x = 156,449,274.95
  5. Step 5: Solve for x
    x = 156,449,274.95/13,300.53
  6. Step 6: Final answer
    x = 11,762.63

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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.