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Finding the Fourth Proportional to 58,725.96, 81,109.16 and 38,672.52

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Solution

The fourth proportional to 58,725.96, 81,109.16 and 38,672.52 is: 53,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,725.96 : 81,109.16 = 38,672.52 : x
  2. Step 2: Convert to fraction form
    58,725.96/81,109.16 = 38,672.52/x
  3. Step 3: Cross multiply
    58,725.96x = 81,109.16 × 38,672.52
  4. Step 4: Simplify right side
    58,725.96x = 3,136,695,612.28
  5. Step 5: Solve for x
    x = 3,136,695,612.28/58,725.96
  6. Step 6: Final answer
    x = 53,412.42

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