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Finding the Fourth Proportional to 28,814.09, 43,221.14 and 9,094.19

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Solution

The fourth proportional to 28,814.09, 43,221.14 and 9,094.19 is: 13,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.09 : 43,221.14 = 9,094.19 : x
  2. Step 2: Convert to fraction form
    28,814.09/43,221.14 = 9,094.19/x
  3. Step 3: Cross multiply
    28,814.09x = 43,221.14 × 9,094.19
  4. Step 4: Simplify right side
    28,814.09x = 393,060,997.60
  5. Step 5: Solve for x
    x = 393,060,997.60/28,814.09
  6. Step 6: Final answer
    x = 13,641.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.