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Finding the Fourth Proportional to 7,332.74, 10,998.99 and 1,786.09

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Solution

The fourth proportional to 7,332.74, 10,998.99 and 1,786.09 is: 2,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.74 : 10,998.99 = 1,786.09 : x
  2. Step 2: Convert to fraction form
    7,332.74/10,998.99 = 1,786.09/x
  3. Step 3: Cross multiply
    7,332.74x = 10,998.99 × 1,786.09
  4. Step 4: Simplify right side
    7,332.74x = 19,645,158.55
  5. Step 5: Solve for x
    x = 19,645,158.55/7,332.74
  6. Step 6: Final answer
    x = 2,679.10

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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.