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Finding the Fourth Proportional to 32,922.60, 49,383.90 and 18,925.80

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Solution

The fourth proportional to 32,922.60, 49,383.90 and 18,925.80 is: 28,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,922.60 : 49,383.90 = 18,925.80 : x
  2. Step 2: Convert to fraction form
    32,922.60/49,383.90 = 18,925.80/x
  3. Step 3: Cross multiply
    32,922.60x = 49,383.90 × 18,925.80
  4. Step 4: Simplify right side
    32,922.60x = 934,629,814.62
  5. Step 5: Solve for x
    x = 934,629,814.62/32,922.60
  6. Step 6: Final answer
    x = 28,388.70

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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.