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Finding the Fourth Proportional to 13,734.92, 20,602.92 and 4,500.92

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Solution

The fourth proportional to 13,734.92, 20,602.92 and 4,500.92 is: 6,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.92 : 20,602.92 = 4,500.92 : x
  2. Step 2: Convert to fraction form
    13,734.92/20,602.92 = 4,500.92/x
  3. Step 3: Cross multiply
    13,734.92x = 20,602.92 × 4,500.92
  4. Step 4: Simplify right side
    13,734.92x = 92,732,094.69
  5. Step 5: Solve for x
    x = 92,732,094.69/13,734.92
  6. Step 6: Final answer
    x = 6,751.56

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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.