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Finding the Fourth Proportional to 73,451.76, 101,363.04 and 39,917.76

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Solution

The fourth proportional to 73,451.76, 101,363.04 and 39,917.76 is: 55,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,451.76 : 101,363.04 = 39,917.76 : x
  2. Step 2: Convert to fraction form
    73,451.76/101,363.04 = 39,917.76/x
  3. Step 3: Cross multiply
    73,451.76x = 101,363.04 × 39,917.76
  4. Step 4: Simplify right side
    73,451.76x = 4,046,185,503.59
  5. Step 5: Solve for x
    x = 4,046,185,503.59/73,451.76
  6. Step 6: Final answer
    x = 55,086.30

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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.