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Finding the Fourth Proportional to 29,305.20, 43,941.60 and 9,573.60

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Solution

The fourth proportional to 29,305.20, 43,941.60 and 9,573.60 is: 14,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.20 : 43,941.60 = 9,573.60 : x
  2. Step 2: Convert to fraction form
    29,305.20/43,941.60 = 9,573.60/x
  3. Step 3: Cross multiply
    29,305.20x = 43,941.60 × 9,573.60
  4. Step 4: Simplify right side
    29,305.20x = 420,679,301.76
  5. Step 5: Solve for x
    x = 420,679,301.76/29,305.20
  6. Step 6: Final answer
    x = 14,355.11

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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.