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Finding the Fourth Proportional to 18,352.65, 27,521.82 and 6,501.87

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Solution

The fourth proportional to 18,352.65, 27,521.82 and 6,501.87 is: 9,750.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352.65 : 27,521.82 = 6,501.87 : x
  2. Step 2: Convert to fraction form
    18,352.65/27,521.82 = 6,501.87/x
  3. Step 3: Cross multiply
    18,352.65x = 27,521.82 × 6,501.87
  4. Step 4: Simplify right side
    18,352.65x = 178,943,295.80
  5. Step 5: Solve for x
    x = 178,943,295.80/18,352.65
  6. Step 6: Final answer
    x = 9,750.27

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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.