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Finding the Fourth Proportional to 38,829.61, 53,602.92 and 29,273.39

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Solution

The fourth proportional to 38,829.61, 53,602.92 and 29,273.39 is: 40,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,829.61 : 53,602.92 = 29,273.39 : x
  2. Step 2: Convert to fraction form
    38,829.61/53,602.92 = 29,273.39/x
  3. Step 3: Cross multiply
    38,829.61x = 53,602.92 × 29,273.39
  4. Step 4: Simplify right side
    38,829.61x = 1,569,138,914.28
  5. Step 5: Solve for x
    x = 1,569,138,914.28/38,829.61
  6. Step 6: Final answer
    x = 40,410.88

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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.