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Finding the Fourth Proportional to 30,504.63, 42,098.26 and 17,076.72

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Solution

The fourth proportional to 30,504.63, 42,098.26 and 17,076.72 is: 23,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,504.63 : 42,098.26 = 17,076.72 : x
  2. Step 2: Convert to fraction form
    30,504.63/42,098.26 = 17,076.72/x
  3. Step 3: Cross multiply
    30,504.63x = 42,098.26 × 17,076.72
  4. Step 4: Simplify right side
    30,504.63x = 718,900,198.51
  5. Step 5: Solve for x
    x = 718,900,198.51/30,504.63
  6. Step 6: Final answer
    x = 23,566.92

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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.