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Finding the Fourth Proportional to 11,572.30, 17,355.24 and 5,645.98

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Solution

The fourth proportional to 11,572.30, 17,355.24 and 5,645.98 is: 8,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.30 : 17,355.24 = 5,645.98 : x
  2. Step 2: Convert to fraction form
    11,572.30/17,355.24 = 5,645.98/x
  3. Step 3: Cross multiply
    11,572.30x = 17,355.24 × 5,645.98
  4. Step 4: Simplify right side
    11,572.30x = 97,987,337.94
  5. Step 5: Solve for x
    x = 97,987,337.94/11,572.30
  6. Step 6: Final answer
    x = 8,467.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.