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Finding the Fourth Proportional to 39,489.56, 54,495.72 and 23,573.68

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Solution

The fourth proportional to 39,489.56, 54,495.72 and 23,573.68 is: 32,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,489.56 : 54,495.72 = 23,573.68 : x
  2. Step 2: Convert to fraction form
    39,489.56/54,495.72 = 23,573.68/x
  3. Step 3: Cross multiply
    39,489.56x = 54,495.72 × 23,573.68
  4. Step 4: Simplify right side
    39,489.56x = 1,284,664,664.65
  5. Step 5: Solve for x
    x = 1,284,664,664.65/39,489.56
  6. Step 6: Final answer
    x = 32,531.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.