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Finding the Fourth Proportional to 32,194.40, 48,315.90 and 12,221.42

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Solution

The fourth proportional to 32,194.40, 48,315.90 and 12,221.42 is: 18,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,194.40 : 48,315.90 = 12,221.42 : x
  2. Step 2: Convert to fraction form
    32,194.40/48,315.90 = 12,221.42/x
  3. Step 3: Cross multiply
    32,194.40x = 48,315.90 × 12,221.42
  4. Step 4: Simplify right side
    32,194.40x = 590,488,906.58
  5. Step 5: Solve for x
    x = 590,488,906.58/32,194.40
  6. Step 6: Final answer
    x = 18,341.35

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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.