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Finding the Fourth Proportional to 7,358.94, 11,039.22 and 3,662.10

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Solution

The fourth proportional to 7,358.94, 11,039.22 and 3,662.10 is: 5,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.94 : 11,039.22 = 3,662.10 : x
  2. Step 2: Convert to fraction form
    7,358.94/11,039.22 = 3,662.10/x
  3. Step 3: Cross multiply
    7,358.94x = 11,039.22 × 3,662.10
  4. Step 4: Simplify right side
    7,358.94x = 40,426,727.56
  5. Step 5: Solve for x
    x = 40,426,727.56/7,358.94
  6. Step 6: Final answer
    x = 5,493.55

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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.