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Finding the Fourth Proportional to 8,926.93, 13,384.99 and 3,995.65

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Solution

The fourth proportional to 8,926.93, 13,384.99 and 3,995.65 is: 5,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.93 : 13,384.99 = 3,995.65 : x
  2. Step 2: Convert to fraction form
    8,926.93/13,384.99 = 3,995.65/x
  3. Step 3: Cross multiply
    8,926.93x = 13,384.99 × 3,995.65
  4. Step 4: Simplify right side
    8,926.93x = 53,481,658.38
  5. Step 5: Solve for x
    x = 53,481,658.38/8,926.93
  6. Step 6: Final answer
    x = 5,991.05

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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.