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Finding the Fourth Proportional to 7,927.46, 11,890.92 and 3,769.46

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Solution

The fourth proportional to 7,927.46, 11,890.92 and 3,769.46 is: 5,654.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.46 : 11,890.92 = 3,769.46 : x
  2. Step 2: Convert to fraction form
    7,927.46/11,890.92 = 3,769.46/x
  3. Step 3: Cross multiply
    7,927.46x = 11,890.92 × 3,769.46
  4. Step 4: Simplify right side
    7,927.46x = 44,822,347.30
  5. Step 5: Solve for x
    x = 44,822,347.30/7,927.46
  6. Step 6: Final answer
    x = 5,654.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.