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Finding the Fourth Proportional to 9,373.98, 12,936.11 and 5,395.01

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Solution

The fourth proportional to 9,373.98, 12,936.11 and 5,395.01 is: 7,445.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.98 : 12,936.11 = 5,395.01 : x
  2. Step 2: Convert to fraction form
    9,373.98/12,936.11 = 5,395.01/x
  3. Step 3: Cross multiply
    9,373.98x = 12,936.11 × 5,395.01
  4. Step 4: Simplify right side
    9,373.98x = 69,790,442.81
  5. Step 5: Solve for x
    x = 69,790,442.81/9,373.98
  6. Step 6: Final answer
    x = 7,445.12

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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.