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Finding the Fourth Proportional to 25,404, 35,058.60 and 14,791.92

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Solution

The fourth proportional to 25,404, 35,058.60 and 14,791.92 is: 20,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,404 : 35,058.60 = 14,791.92 : x
  2. Step 2: Convert to fraction form
    25,404/35,058.60 = 14,791.92/x
  3. Step 3: Cross multiply
    25,404x = 35,058.60 × 14,791.92
  4. Step 4: Simplify right side
    25,404x = 518,584,006.51
  5. Step 5: Solve for x
    x = 518,584,006.51/25,404
  6. Step 6: Final answer
    x = 20,413.48

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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.