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Finding the Fourth Proportional to 17,602.87, 26,404.06 and 4,275.96

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Solution

The fourth proportional to 17,602.87, 26,404.06 and 4,275.96 is: 6,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,602.87 : 26,404.06 = 4,275.96 : x
  2. Step 2: Convert to fraction form
    17,602.87/26,404.06 = 4,275.96/x
  3. Step 3: Cross multiply
    17,602.87x = 26,404.06 × 4,275.96
  4. Step 4: Simplify right side
    17,602.87x = 112,902,704.40
  5. Step 5: Solve for x
    x = 112,902,704.40/17,602.87
  6. Step 6: Final answer
    x = 6,413.88

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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.