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Finding the Fourth Proportional to 64,867.92, 89,517.69 and 35,059.92

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Solution

The fourth proportional to 64,867.92, 89,517.69 and 35,059.92 is: 48,382.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,867.92 : 89,517.69 = 35,059.92 : x
  2. Step 2: Convert to fraction form
    64,867.92/89,517.69 = 35,059.92/x
  3. Step 3: Cross multiply
    64,867.92x = 89,517.69 × 35,059.92
  4. Step 4: Simplify right side
    64,867.92x = 3,138,483,049.98
  5. Step 5: Solve for x
    x = 3,138,483,049.98/64,867.92
  6. Step 6: Final answer
    x = 48,382.67

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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.