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Finding the Fourth Proportional to 7,335.99, 10,998.77 and 3,438.27

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Solution

The fourth proportional to 7,335.99, 10,998.77 and 3,438.27 is: 5,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.99 : 10,998.77 = 3,438.27 : x
  2. Step 2: Convert to fraction form
    7,335.99/10,998.77 = 3,438.27/x
  3. Step 3: Cross multiply
    7,335.99x = 10,998.77 × 3,438.27
  4. Step 4: Simplify right side
    7,335.99x = 37,816,723.74
  5. Step 5: Solve for x
    x = 37,816,723.74/7,335.99
  6. Step 6: Final answer
    x = 5,154.96

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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.