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Finding the Fourth Proportional to 7,336.92, 10,990.71 and 3,627.93

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Solution

The fourth proportional to 7,336.92, 10,990.71 and 3,627.93 is: 5,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.92 : 10,990.71 = 3,627.93 : x
  2. Step 2: Convert to fraction form
    7,336.92/10,990.71 = 3,627.93/x
  3. Step 3: Cross multiply
    7,336.92x = 10,990.71 × 3,627.93
  4. Step 4: Simplify right side
    7,336.92x = 39,873,526.53
  5. Step 5: Solve for x
    x = 39,873,526.53/7,336.92
  6. Step 6: Final answer
    x = 5,434.64

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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.