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Finding the Fourth Proportional to 16,848.80, 23,250.84 and 9,396.80

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Solution

The fourth proportional to 16,848.80, 23,250.84 and 9,396.80 is: 12,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,848.80 : 23,250.84 = 9,396.80 : x
  2. Step 2: Convert to fraction form
    16,848.80/23,250.84 = 9,396.80/x
  3. Step 3: Cross multiply
    16,848.80x = 23,250.84 × 9,396.80
  4. Step 4: Simplify right side
    16,848.80x = 218,483,493.31
  5. Step 5: Solve for x
    x = 218,483,493.31/16,848.80
  6. Step 6: Final answer
    x = 12,967.30

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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.