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Finding the Fourth Proportional to 19,603.08, 29,404.62 and 5,751

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Solution

The fourth proportional to 19,603.08, 29,404.62 and 5,751 is: 8,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.08 : 29,404.62 = 5,751 : x
  2. Step 2: Convert to fraction form
    19,603.08/29,404.62 = 5,751/x
  3. Step 3: Cross multiply
    19,603.08x = 29,404.62 × 5,751
  4. Step 4: Simplify right side
    19,603.08x = 169,105,969.62
  5. Step 5: Solve for x
    x = 169,105,969.62/19,603.08
  6. Step 6: Final answer
    x = 8,626.50

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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.