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Finding the Fourth Proportional to 29,674.92, 40,951.88 and 16,245.95

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Solution

The fourth proportional to 29,674.92, 40,951.88 and 16,245.95 is: 22,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,674.92 : 40,951.88 = 16,245.95 : x
  2. Step 2: Convert to fraction form
    29,674.92/40,951.88 = 16,245.95/x
  3. Step 3: Cross multiply
    29,674.92x = 40,951.88 × 16,245.95
  4. Step 4: Simplify right side
    29,674.92x = 665,301,908.90
  5. Step 5: Solve for x
    x = 665,301,908.90/29,674.92
  6. Step 6: Final answer
    x = 22,419.67

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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.