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Finding the Fourth Proportional to 51,993.63, 71,769.60 and 30,772.85

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Solution

The fourth proportional to 51,993.63, 71,769.60 and 30,772.85 is: 42,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,993.63 : 71,769.60 = 30,772.85 : x
  2. Step 2: Convert to fraction form
    51,993.63/71,769.60 = 30,772.85/x
  3. Step 3: Cross multiply
    51,993.63x = 71,769.60 × 30,772.85
  4. Step 4: Simplify right side
    51,993.63x = 2,208,554,776.51
  5. Step 5: Solve for x
    x = 2,208,554,776.51/51,993.63
  6. Step 6: Final answer
    x = 42,477.41

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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.