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Finding the Fourth Proportional to 11,779.47, 17,669.12 and 3,014.37

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Solution

The fourth proportional to 11,779.47, 17,669.12 and 3,014.37 is: 4,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.47 : 17,669.12 = 3,014.37 : x
  2. Step 2: Convert to fraction form
    11,779.47/17,669.12 = 3,014.37/x
  3. Step 3: Cross multiply
    11,779.47x = 17,669.12 × 3,014.37
  4. Step 4: Simplify right side
    11,779.47x = 53,261,250.18
  5. Step 5: Solve for x
    x = 53,261,250.18/11,779.47
  6. Step 6: Final answer
    x = 4,521.53

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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.