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Finding the Fourth Proportional to 13,250.58, 18,285.84 and 7,282.86

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Solution

The fourth proportional to 13,250.58, 18,285.84 and 7,282.86 is: 10,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.58 : 18,285.84 = 7,282.86 : x
  2. Step 2: Convert to fraction form
    13,250.58/18,285.84 = 7,282.86/x
  3. Step 3: Cross multiply
    13,250.58x = 18,285.84 × 7,282.86
  4. Step 4: Simplify right side
    13,250.58x = 133,173,212.70
  5. Step 5: Solve for x
    x = 133,173,212.70/13,250.58
  6. Step 6: Final answer
    x = 10,050.37

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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.