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Finding the Fourth Proportional to 16,852.88, 23,256.97 and 9,400.88

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Solution

The fourth proportional to 16,852.88, 23,256.97 and 9,400.88 is: 12,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,852.88 : 23,256.97 = 9,400.88 : x
  2. Step 2: Convert to fraction form
    16,852.88/23,256.97 = 9,400.88/x
  3. Step 3: Cross multiply
    16,852.88x = 23,256.97 × 9,400.88
  4. Step 4: Simplify right side
    16,852.88x = 218,635,867.85
  5. Step 5: Solve for x
    x = 218,635,867.85/16,852.88
  6. Step 6: Final answer
    x = 12,973.21

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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.