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Finding the Fourth Proportional to 7,630.76, 10,529.70 and 4,273.31

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Solution

The fourth proportional to 7,630.76, 10,529.70 and 4,273.31 is: 5,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.76 : 10,529.70 = 4,273.31 : x
  2. Step 2: Convert to fraction form
    7,630.76/10,529.70 = 4,273.31/x
  3. Step 3: Cross multiply
    7,630.76x = 10,529.70 × 4,273.31
  4. Step 4: Simplify right side
    7,630.76x = 44,996,619.66
  5. Step 5: Solve for x
    x = 44,996,619.66/7,630.76
  6. Step 6: Final answer
    x = 5,896.75

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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.