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Finding the Fourth Proportional to 32,909.40, 49,331.70 and 16,255.80

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Solution

The fourth proportional to 32,909.40, 49,331.70 and 16,255.80 is: 24,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,909.40 : 49,331.70 = 16,255.80 : x
  2. Step 2: Convert to fraction form
    32,909.40/49,331.70 = 16,255.80/x
  3. Step 3: Cross multiply
    32,909.40x = 49,331.70 × 16,255.80
  4. Step 4: Simplify right side
    32,909.40x = 801,926,248.86
  5. Step 5: Solve for x
    x = 801,926,248.86/32,909.40
  6. Step 6: Final answer
    x = 24,367.70

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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.