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Finding the Fourth Proportional to 22,094.06, 30,478.18 and 13,135.19

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Solution

The fourth proportional to 22,094.06, 30,478.18 and 13,135.19 is: 18,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,094.06 : 30,478.18 = 13,135.19 : x
  2. Step 2: Convert to fraction form
    22,094.06/30,478.18 = 13,135.19/x
  3. Step 3: Cross multiply
    22,094.06x = 30,478.18 × 13,135.19
  4. Step 4: Simplify right side
    22,094.06x = 400,336,685.15
  5. Step 5: Solve for x
    x = 400,336,685.15/22,094.06
  6. Step 6: Final answer
    x = 18,119.65

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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.