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Finding the Fourth Proportional to 16,708.80, 23,057.92 and 9,256.80

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Solution

The fourth proportional to 16,708.80, 23,057.92 and 9,256.80 is: 12,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,708.80 : 23,057.92 = 9,256.80 : x
  2. Step 2: Convert to fraction form
    16,708.80/23,057.92 = 9,256.80/x
  3. Step 3: Cross multiply
    16,708.80x = 23,057.92 × 9,256.80
  4. Step 4: Simplify right side
    16,708.80x = 213,442,553.86
  5. Step 5: Solve for x
    x = 213,442,553.86/16,708.80
  6. Step 6: Final answer
    x = 12,774.26

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1.5x scale

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.