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Finding the Fourth Proportional to 38,793.70, 53,533.87 and 23,711.64

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Solution

The fourth proportional to 38,793.70, 53,533.87 and 23,711.64 is: 32,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,793.70 : 53,533.87 = 23,711.64 : x
  2. Step 2: Convert to fraction form
    38,793.70/53,533.87 = 23,711.64/x
  3. Step 3: Cross multiply
    38,793.70x = 53,533.87 × 23,711.64
  4. Step 4: Simplify right side
    38,793.70x = 1,269,375,853.25
  5. Step 5: Solve for x
    x = 1,269,375,853.25/38,793.70
  6. Step 6: Final answer
    x = 32,721.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.