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Finding the Fourth Proportional to 72,863.63, 109,299.32 and 22,947.63

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Solution

The fourth proportional to 72,863.63, 109,299.32 and 22,947.63 is: 34,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,863.63 : 109,299.32 = 22,947.63 : x
  2. Step 2: Convert to fraction form
    72,863.63/109,299.32 = 22,947.63/x
  3. Step 3: Cross multiply
    72,863.63x = 109,299.32 × 22,947.63
  4. Step 4: Simplify right side
    72,863.63x = 2,508,160,354.61
  5. Step 5: Solve for x
    x = 2,508,160,354.61/72,863.63
  6. Step 6: Final answer
    x = 34,422.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.