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Finding the Fourth Proportional to 29,325.84, 43,991.18 and 9,603.96

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Solution

The fourth proportional to 29,325.84, 43,991.18 and 9,603.96 is: 14,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,325.84 : 43,991.18 = 9,603.96 : x
  2. Step 2: Convert to fraction form
    29,325.84/43,991.18 = 9,603.96/x
  3. Step 3: Cross multiply
    29,325.84x = 43,991.18 × 9,603.96
  4. Step 4: Simplify right side
    29,325.84x = 422,489,533.07
  5. Step 5: Solve for x
    x = 422,489,533.07/29,325.84
  6. Step 6: Final answer
    x = 14,406.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.