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Finding the Fourth Proportional to 16,749.34, 25,126.74 and 5,656.69

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Solution

The fourth proportional to 16,749.34, 25,126.74 and 5,656.69 is: 8,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.34 : 25,126.74 = 5,656.69 : x
  2. Step 2: Convert to fraction form
    16,749.34/25,126.74 = 5,656.69/x
  3. Step 3: Cross multiply
    16,749.34x = 25,126.74 × 5,656.69
  4. Step 4: Simplify right side
    16,749.34x = 142,134,210.30
  5. Step 5: Solve for x
    x = 142,134,210.30/16,749.34
  6. Step 6: Final answer
    x = 8,485.96

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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.