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Finding the Fourth Proportional to 16,645.80, 24,975.96 and 8,845.48

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Solution

The fourth proportional to 16,645.80, 24,975.96 and 8,845.48 is: 13,272.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,645.80 : 24,975.96 = 8,845.48 : x
  2. Step 2: Convert to fraction form
    16,645.80/24,975.96 = 8,845.48/x
  3. Step 3: Cross multiply
    16,645.80x = 24,975.96 × 8,845.48
  4. Step 4: Simplify right side
    16,645.80x = 220,924,354.66
  5. Step 5: Solve for x
    x = 220,924,354.66/16,645.80
  6. Step 6: Final answer
    x = 13,272.08

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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.