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Finding the Fourth Proportional to 33,875.60, 50,793.15 and 20,737.40

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Solution

The fourth proportional to 33,875.60, 50,793.15 and 20,737.40 is: 31,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,875.60 : 50,793.15 = 20,737.40 : x
  2. Step 2: Convert to fraction form
    33,875.60/50,793.15 = 20,737.40/x
  3. Step 3: Cross multiply
    33,875.60x = 50,793.15 × 20,737.40
  4. Step 4: Simplify right side
    33,875.60x = 1,053,317,868.81
  5. Step 5: Solve for x
    x = 1,053,317,868.81/33,875.60
  6. Step 6: Final answer
    x = 31,093.70

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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.