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Finding the Fourth Proportional to 16,953.90, 25,413.90 and 8,053.57

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Solution

The fourth proportional to 16,953.90, 25,413.90 and 8,053.57 is: 12,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,953.90 : 25,413.90 = 8,053.57 : x
  2. Step 2: Convert to fraction form
    16,953.90/25,413.90 = 8,053.57/x
  3. Step 3: Cross multiply
    16,953.90x = 25,413.90 × 8,053.57
  4. Step 4: Simplify right side
    16,953.90x = 204,672,495.55
  5. Step 5: Solve for x
    x = 204,672,495.55/16,953.90
  6. Step 6: Final answer
    x = 12,072.30

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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.