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Finding the Fourth Proportional to 26,040.18, 39,059.90 and 6,318.90

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Solution

The fourth proportional to 26,040.18, 39,059.90 and 6,318.90 is: 9,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,040.18 : 39,059.90 = 6,318.90 : x
  2. Step 2: Convert to fraction form
    26,040.18/39,059.90 = 6,318.90/x
  3. Step 3: Cross multiply
    26,040.18x = 39,059.90 × 6,318.90
  4. Step 4: Simplify right side
    26,040.18x = 246,815,602.11
  5. Step 5: Solve for x
    x = 246,815,602.11/26,040.18
  6. Step 6: Final answer
    x = 9,478.26

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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.