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Finding the Fourth Proportional to 31,642.58, 43,661.94 and 17,495.48

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Solution

The fourth proportional to 31,642.58, 43,661.94 and 17,495.48 is: 24,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,642.58 : 43,661.94 = 17,495.48 : x
  2. Step 2: Convert to fraction form
    31,642.58/43,661.94 = 17,495.48/x
  3. Step 3: Cross multiply
    31,642.58x = 43,661.94 × 17,495.48
  4. Step 4: Simplify right side
    31,642.58x = 763,886,598.03
  5. Step 5: Solve for x
    x = 763,886,598.03/31,642.58
  6. Step 6: Final answer
    x = 24,141.10

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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.