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Finding the Fourth Proportional to 11,739, 17,608.60 and 2,973.92

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Solution

The fourth proportional to 11,739, 17,608.60 and 2,973.92 is: 4,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739 : 17,608.60 = 2,973.92 : x
  2. Step 2: Convert to fraction form
    11,739/17,608.60 = 2,973.92/x
  3. Step 3: Cross multiply
    11,739x = 17,608.60 × 2,973.92
  4. Step 4: Simplify right side
    11,739x = 52,366,567.71
  5. Step 5: Solve for x
    x = 52,366,567.71/11,739
  6. Step 6: Final answer
    x = 4,460.91

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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.