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Finding the Fourth Proportional to 43,934.72, 65,916.72 and 29,201.60

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Solution

The fourth proportional to 43,934.72, 65,916.72 and 29,201.60 is: 43,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,934.72 : 65,916.72 = 29,201.60 : x
  2. Step 2: Convert to fraction form
    43,934.72/65,916.72 = 29,201.60/x
  3. Step 3: Cross multiply
    43,934.72x = 65,916.72 × 29,201.60
  4. Step 4: Simplify right side
    43,934.72x = 1,924,873,690.75
  5. Step 5: Solve for x
    x = 1,924,873,690.75/43,934.72
  6. Step 6: Final answer
    x = 43,812.13

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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.