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Finding the Fourth Proportional to 38,662.80, 58,123.80 and 32,960.40

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Solution

The fourth proportional to 38,662.80, 58,123.80 and 32,960.40 is: 49,551.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,662.80 : 58,123.80 = 32,960.40 : x
  2. Step 2: Convert to fraction form
    38,662.80/58,123.80 = 32,960.40/x
  3. Step 3: Cross multiply
    38,662.80x = 58,123.80 × 32,960.40
  4. Step 4: Simplify right side
    38,662.80x = 1,915,783,697.52
  5. Step 5: Solve for x
    x = 1,915,783,697.52/38,662.80
  6. Step 6: Final answer
    x = 49,551.09

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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.