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Finding the Fourth Proportional to 11,572.74, 17,360.73 and 3,779.58

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Solution

The fourth proportional to 11,572.74, 17,360.73 and 3,779.58 is: 5,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.74 : 17,360.73 = 3,779.58 : x
  2. Step 2: Convert to fraction form
    11,572.74/17,360.73 = 3,779.58/x
  3. Step 3: Cross multiply
    11,572.74x = 17,360.73 × 3,779.58
  4. Step 4: Simplify right side
    11,572.74x = 65,616,267.89
  5. Step 5: Solve for x
    x = 65,616,267.89/11,572.74
  6. Step 6: Final answer
    x = 5,669.90

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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.