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Finding the Fourth Proportional to 73,451.50, 101,363.07 and 39,917.50

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Solution

The fourth proportional to 73,451.50, 101,363.07 and 39,917.50 is: 55,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,451.50 : 101,363.07 = 39,917.50 : x
  2. Step 2: Convert to fraction form
    73,451.50/101,363.07 = 39,917.50/x
  3. Step 3: Cross multiply
    73,451.50x = 101,363.07 × 39,917.50
  4. Step 4: Simplify right side
    73,451.50x = 4,046,160,346.73
  5. Step 5: Solve for x
    x = 4,046,160,346.73/73,451.50
  6. Step 6: Final answer
    x = 55,086.15

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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.