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Finding the Fourth Proportional to 18,442.50, 25,450.65 and 10,059

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Solution

The fourth proportional to 18,442.50, 25,450.65 and 10,059 is: 13,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.50 : 25,450.65 = 10,059 : x
  2. Step 2: Convert to fraction form
    18,442.50/25,450.65 = 10,059/x
  3. Step 3: Cross multiply
    18,442.50x = 25,450.65 × 10,059
  4. Step 4: Simplify right side
    18,442.50x = 256,008,088.35
  5. Step 5: Solve for x
    x = 256,008,088.35/18,442.50
  6. Step 6: Final answer
    x = 13,881.42

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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.