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Finding the Fourth Proportional to 62,078.67, 93,045.04 and 28,728.27

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Solution

The fourth proportional to 62,078.67, 93,045.04 and 28,728.27 is: 43,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,078.67 : 93,045.04 = 28,728.27 : x
  2. Step 2: Convert to fraction form
    62,078.67/93,045.04 = 28,728.27/x
  3. Step 3: Cross multiply
    62,078.67x = 93,045.04 × 28,728.27
  4. Step 4: Simplify right side
    62,078.67x = 2,673,022,959.46
  5. Step 5: Solve for x
    x = 2,673,022,959.46/62,078.67
  6. Step 6: Final answer
    x = 43,058.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.