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Finding the Fourth Proportional to 11,448.65, 17,172.98 and 11,448.65

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Solution

The fourth proportional to 11,448.65, 17,172.98 and 11,448.65 is: 17,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.65 : 17,172.98 = 11,448.65 : x
  2. Step 2: Convert to fraction form
    11,448.65/17,172.98 = 11,448.65/x
  3. Step 3: Cross multiply
    11,448.65x = 17,172.98 × 11,448.65
  4. Step 4: Simplify right side
    11,448.65x = 196,607,380.23
  5. Step 5: Solve for x
    x = 196,607,380.23/11,448.65
  6. Step 6: Final answer
    x = 17,172.98

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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.