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Finding the Fourth Proportional to 16,009.60, 24,021.60 and 5,628.80

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Solution

The fourth proportional to 16,009.60, 24,021.60 and 5,628.80 is: 8,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,009.60 : 24,021.60 = 5,628.80 : x
  2. Step 2: Convert to fraction form
    16,009.60/24,021.60 = 5,628.80/x
  3. Step 3: Cross multiply
    16,009.60x = 24,021.60 × 5,628.80
  4. Step 4: Simplify right side
    16,009.60x = 135,212,782.08
  5. Step 5: Solve for x
    x = 135,212,782.08/16,009.60
  6. Step 6: Final answer
    x = 8,445.73

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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.