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Finding the Fourth Proportional to 16,305.60, 24,458.55 and 8,529.60

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Solution

The fourth proportional to 16,305.60, 24,458.55 and 8,529.60 is: 12,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,305.60 : 24,458.55 = 8,529.60 : x
  2. Step 2: Convert to fraction form
    16,305.60/24,458.55 = 8,529.60/x
  3. Step 3: Cross multiply
    16,305.60x = 24,458.55 × 8,529.60
  4. Step 4: Simplify right side
    16,305.60x = 208,621,648.08
  5. Step 5: Solve for x
    x = 208,621,648.08/16,305.60
  6. Step 6: Final answer
    x = 12,794.48

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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.