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Finding the Fourth Proportional to 29,886.77, 41,243.88 and 17,140.46

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Solution

The fourth proportional to 29,886.77, 41,243.88 and 17,140.46 is: 23,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,886.77 : 41,243.88 = 17,140.46 : x
  2. Step 2: Convert to fraction form
    29,886.77/41,243.88 = 17,140.46/x
  3. Step 3: Cross multiply
    29,886.77x = 41,243.88 × 17,140.46
  4. Step 4: Simplify right side
    29,886.77x = 706,939,165.44
  5. Step 5: Solve for x
    x = 706,939,165.44/29,886.77
  6. Step 6: Final answer
    x = 23,653.91

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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.