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Finding the Fourth Proportional to 27,328.35, 40,899.86 and 16,804.98

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Solution

The fourth proportional to 27,328.35, 40,899.86 and 16,804.98 is: 25,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,328.35 : 40,899.86 = 16,804.98 : x
  2. Step 2: Convert to fraction form
    27,328.35/40,899.86 = 16,804.98/x
  3. Step 3: Cross multiply
    27,328.35x = 40,899.86 × 16,804.98
  4. Step 4: Simplify right side
    27,328.35x = 687,321,413.08
  5. Step 5: Solve for x
    x = 687,321,413.08/27,328.35
  6. Step 6: Final answer
    x = 25,150.49

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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.