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Finding the Fourth Proportional to 25,673.00, 35,413.94 and 15,456.92

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Solution

The fourth proportional to 25,673.00, 35,413.94 and 15,456.92 is: 21,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.00 : 35,413.94 = 15,456.92 : x
  2. Step 2: Convert to fraction form
    25,673.00/35,413.94 = 15,456.92/x
  3. Step 3: Cross multiply
    25,673.00x = 35,413.94 × 15,456.92
  4. Step 4: Simplify right side
    25,673.00x = 547,390,260.40
  5. Step 5: Solve for x
    x = 547,390,260.40/25,673.00
  6. Step 6: Final answer
    x = 21,321.64

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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.