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Finding the Fourth Proportional to 39,342.60, 58,916.70 and 29,323.32

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Solution

The fourth proportional to 39,342.60, 58,916.70 and 29,323.32 is: 43,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,342.60 : 58,916.70 = 29,323.32 : x
  2. Step 2: Convert to fraction form
    39,342.60/58,916.70 = 29,323.32/x
  3. Step 3: Cross multiply
    39,342.60x = 58,916.70 × 29,323.32
  4. Step 4: Simplify right side
    39,342.60x = 1,727,633,247.44
  5. Step 5: Solve for x
    x = 1,727,633,247.44/39,342.60
  6. Step 6: Final answer
    x = 43,912.53

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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.