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Finding the Fourth Proportional to 38,425.46, 52,812.46 and 33,921.86

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Solution

The fourth proportional to 38,425.46, 52,812.46 and 33,921.86 is: 46,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,425.46 : 52,812.46 = 33,921.86 : x
  2. Step 2: Convert to fraction form
    38,425.46/52,812.46 = 33,921.86/x
  3. Step 3: Cross multiply
    38,425.46x = 52,812.46 × 33,921.86
  4. Step 4: Simplify right side
    38,425.46x = 1,791,496,874.38
  5. Step 5: Solve for x
    x = 1,791,496,874.38/38,425.46
  6. Step 6: Final answer
    x = 46,622.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.