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Finding the Fourth Proportional to 17,779.40, 26,670.40 and 6,092.52

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Solution

The fourth proportional to 17,779.40, 26,670.40 and 6,092.52 is: 9,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,779.40 : 26,670.40 = 6,092.52 : x
  2. Step 2: Convert to fraction form
    17,779.40/26,670.40 = 6,092.52/x
  3. Step 3: Cross multiply
    17,779.40x = 26,670.40 × 6,092.52
  4. Step 4: Simplify right side
    17,779.40x = 162,489,945.41
  5. Step 5: Solve for x
    x = 162,489,945.41/17,779.40
  6. Step 6: Final answer
    x = 9,139.23

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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.