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Finding the Fourth Proportional to 36,602.10, 54,793.80 and 21,803.40

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Solution

The fourth proportional to 36,602.10, 54,793.80 and 21,803.40 is: 32,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,602.10 : 54,793.80 = 21,803.40 : x
  2. Step 2: Convert to fraction form
    36,602.10/54,793.80 = 21,803.40/x
  3. Step 3: Cross multiply
    36,602.10x = 54,793.80 × 21,803.40
  4. Step 4: Simplify right side
    36,602.10x = 1,194,691,138.92
  5. Step 5: Solve for x
    x = 1,194,691,138.92/36,602.10
  6. Step 6: Final answer
    x = 32,639.96

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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.