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Finding the Fourth Proportional to 38,893.10, 53,655.64 and 23,786.40

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Solution

The fourth proportional to 38,893.10, 53,655.64 and 23,786.40 is: 32,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,893.10 : 53,655.64 = 23,786.40 : x
  2. Step 2: Convert to fraction form
    38,893.10/53,655.64 = 23,786.40/x
  3. Step 3: Cross multiply
    38,893.10x = 53,655.64 × 23,786.40
  4. Step 4: Simplify right side
    38,893.10x = 1,276,274,455.83
  5. Step 5: Solve for x
    x = 1,276,274,455.83/38,893.10
  6. Step 6: Final answer
    x = 32,814.93

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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.