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Finding the Fourth Proportional to 73,207.76, 101,026.70 and 39,673.76

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Solution

The fourth proportional to 73,207.76, 101,026.70 and 39,673.76 is: 54,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,207.76 : 101,026.70 = 39,673.76 : x
  2. Step 2: Convert to fraction form
    73,207.76/101,026.70 = 39,673.76/x
  3. Step 3: Cross multiply
    73,207.76x = 101,026.70 × 39,673.76
  4. Step 4: Simplify right side
    73,207.76x = 4,008,109,049.39
  5. Step 5: Solve for x
    x = 4,008,109,049.39/73,207.76
  6. Step 6: Final answer
    x = 54,749.78

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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.