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Finding the Fourth Proportional to 15,554.04, 23,326 and 5,163

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Solution

The fourth proportional to 15,554.04, 23,326 and 5,163 is: 7,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.04 : 23,326 = 5,163 : x
  2. Step 2: Convert to fraction form
    15,554.04/23,326 = 5,163/x
  3. Step 3: Cross multiply
    15,554.04x = 23,326 × 5,163
  4. Step 4: Simplify right side
    15,554.04x = 120,432,138
  5. Step 5: Solve for x
    x = 120,432,138/15,554.04
  6. Step 6: Final answer
    x = 7,742.82

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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.