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Finding the Fourth Proportional to 7,337.92, 10,992.21 and 3,628.93

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Solution

The fourth proportional to 7,337.92, 10,992.21 and 3,628.93 is: 5,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.92 : 10,992.21 = 3,628.93 : x
  2. Step 2: Convert to fraction form
    7,337.92/10,992.21 = 3,628.93/x
  3. Step 3: Cross multiply
    7,337.92x = 10,992.21 × 3,628.93
  4. Step 4: Simplify right side
    7,337.92x = 39,889,960.64
  5. Step 5: Solve for x
    x = 39,889,960.64/7,337.92
  6. Step 6: Final answer
    x = 5,436.14

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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.