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Finding the Fourth Proportional to 70,103.70, 96,743.43 and 38,273.33

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Solution

The fourth proportional to 70,103.70, 96,743.43 and 38,273.33 is: 52,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,103.70 : 96,743.43 = 38,273.33 : x
  2. Step 2: Convert to fraction form
    70,103.70/96,743.43 = 38,273.33/x
  3. Step 3: Cross multiply
    70,103.70x = 96,743.43 × 38,273.33
  4. Step 4: Simplify right side
    70,103.70x = 3,702,693,463.58
  5. Step 5: Solve for x
    x = 3,702,693,463.58/70,103.70
  6. Step 6: Final answer
    x = 52,817.38

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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.