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Finding the Fourth Proportional to 52,455.30, 72,382.05 and 29,786.10

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Solution

The fourth proportional to 52,455.30, 72,382.05 and 29,786.10 is: 41,101.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.30 : 72,382.05 = 29,786.10 : x
  2. Step 2: Convert to fraction form
    52,455.30/72,382.05 = 29,786.10/x
  3. Step 3: Cross multiply
    52,455.30x = 72,382.05 × 29,786.10
  4. Step 4: Simplify right side
    52,455.30x = 2,155,978,979.51
  5. Step 5: Solve for x
    x = 2,155,978,979.51/52,455.30
  6. Step 6: Final answer
    x = 41,101.26

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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.