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Finding the Fourth Proportional to 38,337.20, 57,505.80 and 36,664.40

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Solution

The fourth proportional to 38,337.20, 57,505.80 and 36,664.40 is: 54,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,337.20 : 57,505.80 = 36,664.40 : x
  2. Step 2: Convert to fraction form
    38,337.20/57,505.80 = 36,664.40/x
  3. Step 3: Cross multiply
    38,337.20x = 57,505.80 × 36,664.40
  4. Step 4: Simplify right side
    38,337.20x = 2,108,415,653.52
  5. Step 5: Solve for x
    x = 2,108,415,653.52/38,337.20
  6. Step 6: Final answer
    x = 54,996.60

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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.