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Finding the Fourth Proportional to 18,864.06, 28,307.43 and 7,026.54

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Solution

The fourth proportional to 18,864.06, 28,307.43 and 7,026.54 is: 10,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.06 : 28,307.43 = 7,026.54 : x
  2. Step 2: Convert to fraction form
    18,864.06/28,307.43 = 7,026.54/x
  3. Step 3: Cross multiply
    18,864.06x = 28,307.43 × 7,026.54
  4. Step 4: Simplify right side
    18,864.06x = 198,903,289.19
  5. Step 5: Solve for x
    x = 198,903,289.19/18,864.06
  6. Step 6: Final answer
    x = 10,544.03

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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.