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Finding the Fourth Proportional to 16,512.45, 23,175.75 and 16,512.45

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Solution

The fourth proportional to 16,512.45, 23,175.75 and 16,512.45 is: 23,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512.45 : 23,175.75 = 16,512.45 : x
  2. Step 2: Convert to fraction form
    16,512.45/23,175.75 = 16,512.45/x
  3. Step 3: Cross multiply
    16,512.45x = 23,175.75 × 16,512.45
  4. Step 4: Simplify right side
    16,512.45x = 382,688,413.09
  5. Step 5: Solve for x
    x = 382,688,413.09/16,512.45
  6. Step 6: Final answer
    x = 23,175.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.