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Finding the Fourth Proportional to 10,674.82, 15,999.27 and 7,555.74

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Solution

The fourth proportional to 10,674.82, 15,999.27 and 7,555.74 is: 11,324.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,674.82 : 15,999.27 = 7,555.74 : x
  2. Step 2: Convert to fraction form
    10,674.82/15,999.27 = 7,555.74/x
  3. Step 3: Cross multiply
    10,674.82x = 15,999.27 × 7,555.74
  4. Step 4: Simplify right side
    10,674.82x = 120,886,324.31
  5. Step 5: Solve for x
    x = 120,886,324.31/10,674.82
  6. Step 6: Final answer
    x = 11,324.44

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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.