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Finding the Fourth Proportional to 65,109.92, 89,847.44 and 36,424.68

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Solution

The fourth proportional to 65,109.92, 89,847.44 and 36,424.68 is: 50,263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,109.92 : 89,847.44 = 36,424.68 : x
  2. Step 2: Convert to fraction form
    65,109.92/89,847.44 = 36,424.68/x
  3. Step 3: Cross multiply
    65,109.92x = 89,847.44 × 36,424.68
  4. Step 4: Simplify right side
    65,109.92x = 3,272,664,250.82
  5. Step 5: Solve for x
    x = 3,272,664,250.82/65,109.92
  6. Step 6: Final answer
    x = 50,263.68

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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.