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Finding the Fourth Proportional to 38,967.36, 53,779.20 and 23,869.92

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Solution

The fourth proportional to 38,967.36, 53,779.20 and 23,869.92 is: 32,943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,967.36 : 53,779.20 = 23,869.92 : x
  2. Step 2: Convert to fraction form
    38,967.36/53,779.20 = 23,869.92/x
  3. Step 3: Cross multiply
    38,967.36x = 53,779.20 × 23,869.92
  4. Step 4: Simplify right side
    38,967.36x = 1,283,705,201.66
  5. Step 5: Solve for x
    x = 1,283,705,201.66/38,967.36
  6. Step 6: Final answer
    x = 32,943.09

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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.