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Finding the Fourth Proportional to 40,529.35, 60,793.93 and 10,947.12

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Solution

The fourth proportional to 40,529.35, 60,793.93 and 10,947.12 is: 16,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,529.35 : 60,793.93 = 10,947.12 : x
  2. Step 2: Convert to fraction form
    40,529.35/60,793.93 = 10,947.12/x
  3. Step 3: Cross multiply
    40,529.35x = 60,793.93 × 10,947.12
  4. Step 4: Simplify right side
    40,529.35x = 665,518,446.98
  5. Step 5: Solve for x
    x = 665,518,446.98/40,529.35
  6. Step 6: Final answer
    x = 16,420.65

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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.