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Finding the Fourth Proportional to 51,295.96, 70,630.53 and 43,725.31

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Solution

The fourth proportional to 51,295.96, 70,630.53 and 43,725.31 is: 60,206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,295.96 : 70,630.53 = 43,725.31 : x
  2. Step 2: Convert to fraction form
    51,295.96/70,630.53 = 43,725.31/x
  3. Step 3: Cross multiply
    51,295.96x = 70,630.53 × 43,725.31
  4. Step 4: Simplify right side
    51,295.96x = 3,088,341,819.71
  5. Step 5: Solve for x
    x = 3,088,341,819.71/51,295.96
  6. Step 6: Final answer
    x = 60,206.34

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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.