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Finding the Fourth Proportional to 23,308.80, 32,169.60 and 14,949.60

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Solution

The fourth proportional to 23,308.80, 32,169.60 and 14,949.60 is: 20,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,308.80 : 32,169.60 = 14,949.60 : x
  2. Step 2: Convert to fraction form
    23,308.80/32,169.60 = 14,949.60/x
  3. Step 3: Cross multiply
    23,308.80x = 32,169.60 × 14,949.60
  4. Step 4: Simplify right side
    23,308.80x = 480,922,652.16
  5. Step 5: Solve for x
    x = 480,922,652.16/23,308.80
  6. Step 6: Final answer
    x = 20,632.66

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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.