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Finding the Fourth Proportional to 7,650.52, 11,475.79 and 2,104.45

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Solution

The fourth proportional to 7,650.52, 11,475.79 and 2,104.45 is: 3,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.52 : 11,475.79 = 2,104.45 : x
  2. Step 2: Convert to fraction form
    7,650.52/11,475.79 = 2,104.45/x
  3. Step 3: Cross multiply
    7,650.52x = 11,475.79 × 2,104.45
  4. Step 4: Simplify right side
    7,650.52x = 24,150,192.31
  5. Step 5: Solve for x
    x = 24,150,192.31/7,650.52
  6. Step 6: Final answer
    x = 3,156.67

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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.