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Finding the Fourth Proportional to 17,657.36, 26,485.98 and 4,509.72

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Solution

The fourth proportional to 17,657.36, 26,485.98 and 4,509.72 is: 6,764.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,657.36 : 26,485.98 = 4,509.72 : x
  2. Step 2: Convert to fraction form
    17,657.36/26,485.98 = 4,509.72/x
  3. Step 3: Cross multiply
    17,657.36x = 26,485.98 × 4,509.72
  4. Step 4: Simplify right side
    17,657.36x = 119,444,353.73
  5. Step 5: Solve for x
    x = 119,444,353.73/17,657.36
  6. Step 6: Final answer
    x = 6,764.57

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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.