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Finding the Fourth Proportional to 18,275.36, 27,413.08 and 4,424.36

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Solution

The fourth proportional to 18,275.36, 27,413.08 and 4,424.36 is: 6,636.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.36 : 27,413.08 = 4,424.36 : x
  2. Step 2: Convert to fraction form
    18,275.36/27,413.08 = 4,424.36/x
  3. Step 3: Cross multiply
    18,275.36x = 27,413.08 × 4,424.36
  4. Step 4: Simplify right side
    18,275.36x = 121,285,186.50
  5. Step 5: Solve for x
    x = 121,285,186.50/18,275.36
  6. Step 6: Final answer
    x = 6,636.54

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1.5x scale

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.