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Finding the Fourth Proportional to 29,661.31, 40,928.65 and 17,083.63

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Solution

The fourth proportional to 29,661.31, 40,928.65 and 17,083.63 is: 23,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,661.31 : 40,928.65 = 17,083.63 : x
  2. Step 2: Convert to fraction form
    29,661.31/40,928.65 = 17,083.63/x
  3. Step 3: Cross multiply
    29,661.31x = 40,928.65 × 17,083.63
  4. Step 4: Simplify right side
    29,661.31x = 699,209,913.00
  5. Step 5: Solve for x
    x = 699,209,913.00/29,661.31
  6. Step 6: Final answer
    x = 23,573.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.