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Finding the Fourth Proportional to 16,447.60, 24,671.40 and 13,682.80

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Solution

The fourth proportional to 16,447.60, 24,671.40 and 13,682.80 is: 20,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,447.60 : 24,671.40 = 13,682.80 : x
  2. Step 2: Convert to fraction form
    16,447.60/24,671.40 = 13,682.80/x
  3. Step 3: Cross multiply
    16,447.60x = 24,671.40 × 13,682.80
  4. Step 4: Simplify right side
    16,447.60x = 337,573,831.92
  5. Step 5: Solve for x
    x = 337,573,831.92/16,447.60
  6. Step 6: Final answer
    x = 20,524.20

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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.