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Finding the Fourth Proportional to 70,103.95, 96,743.78 and 38,273.59

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Solution

The fourth proportional to 70,103.95, 96,743.78 and 38,273.59 is: 52,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,103.95 : 96,743.78 = 38,273.59 : x
  2. Step 2: Convert to fraction form
    70,103.95/96,743.78 = 38,273.59/x
  3. Step 3: Cross multiply
    70,103.95x = 96,743.78 × 38,273.59
  4. Step 4: Simplify right side
    70,103.95x = 3,702,731,770.77
  5. Step 5: Solve for x
    x = 3,702,731,770.77/70,103.95
  6. Step 6: Final answer
    x = 52,817.73

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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.