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Finding the Fourth Proportional to 17,503.81, 26,245.11 and 6,975.43

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Solution

The fourth proportional to 17,503.81, 26,245.11 and 6,975.43 is: 10,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,503.81 : 26,245.11 = 6,975.43 : x
  2. Step 2: Convert to fraction form
    17,503.81/26,245.11 = 6,975.43/x
  3. Step 3: Cross multiply
    17,503.81x = 26,245.11 × 6,975.43
  4. Step 4: Simplify right side
    17,503.81x = 183,070,927.65
  5. Step 5: Solve for x
    x = 183,070,927.65/17,503.81
  6. Step 6: Final answer
    x = 10,458.92

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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.