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Finding the Fourth Proportional to 9,040.26, 12,475.77 and 5,061.78

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Solution

The fourth proportional to 9,040.26, 12,475.77 and 5,061.78 is: 6,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.26 : 12,475.77 = 5,061.78 : x
  2. Step 2: Convert to fraction form
    9,040.26/12,475.77 = 5,061.78/x
  3. Step 3: Cross multiply
    9,040.26x = 12,475.77 × 5,061.78
  4. Step 4: Simplify right side
    9,040.26x = 63,149,603.07
  5. Step 5: Solve for x
    x = 63,149,603.07/9,040.26
  6. Step 6: Final answer
    x = 6,985.37

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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.