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Finding the Fourth Proportional to 29,032.78, 40,055.75 and 16,930.52

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Solution

The fourth proportional to 29,032.78, 40,055.75 and 16,930.52 is: 23,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,032.78 : 40,055.75 = 16,930.52 : x
  2. Step 2: Convert to fraction form
    29,032.78/40,055.75 = 16,930.52/x
  3. Step 3: Cross multiply
    29,032.78x = 40,055.75 × 16,930.52
  4. Step 4: Simplify right side
    29,032.78x = 678,164,391.56
  5. Step 5: Solve for x
    x = 678,164,391.56/29,032.78
  6. Step 6: Final answer
    x = 23,358.58

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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.