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Finding the Fourth Proportional to 51,600.61, 71,223.96 and 33,698.40

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Solution

The fourth proportional to 51,600.61, 71,223.96 and 33,698.40 is: 46,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,600.61 : 71,223.96 = 33,698.40 : x
  2. Step 2: Convert to fraction form
    51,600.61/71,223.96 = 33,698.40/x
  3. Step 3: Cross multiply
    51,600.61x = 71,223.96 × 33,698.40
  4. Step 4: Simplify right side
    51,600.61x = 2,400,133,493.66
  5. Step 5: Solve for x
    x = 2,400,133,493.66/51,600.61
  6. Step 6: Final answer
    x = 46,513.67

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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.