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Finding the Fourth Proportional to 51,606.76, 71,213.70 and 28,944.04

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Solution

The fourth proportional to 51,606.76, 71,213.70 and 28,944.04 is: 39,940.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,606.76 : 71,213.70 = 28,944.04 : x
  2. Step 2: Convert to fraction form
    51,606.76/71,213.70 = 28,944.04/x
  3. Step 3: Cross multiply
    51,606.76x = 71,213.70 × 28,944.04
  4. Step 4: Simplify right side
    51,606.76x = 2,061,212,181.35
  5. Step 5: Solve for x
    x = 2,061,212,181.35/51,606.76
  6. Step 6: Final answer
    x = 39,940.74

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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.