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Finding the Fourth Proportional to 7,661.92, 11,492.76 and 4,367.98

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Solution

The fourth proportional to 7,661.92, 11,492.76 and 4,367.98 is: 6,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.92 : 11,492.76 = 4,367.98 : x
  2. Step 2: Convert to fraction form
    7,661.92/11,492.76 = 4,367.98/x
  3. Step 3: Cross multiply
    7,661.92x = 11,492.76 × 4,367.98
  4. Step 4: Simplify right side
    7,661.92x = 50,200,145.82
  5. Step 5: Solve for x
    x = 50,200,145.82/7,661.92
  6. Step 6: Final answer
    x = 6,551.90

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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.