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Finding the Fourth Proportional to 39,892.16, 55,050.72 and 23,126.72

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Solution

The fourth proportional to 39,892.16, 55,050.72 and 23,126.72 is: 31,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,892.16 : 55,050.72 = 23,126.72 : x
  2. Step 2: Convert to fraction form
    39,892.16/55,050.72 = 23,126.72/x
  3. Step 3: Cross multiply
    39,892.16x = 55,050.72 × 23,126.72
  4. Step 4: Simplify right side
    39,892.16x = 1,273,142,587.24
  5. Step 5: Solve for x
    x = 1,273,142,587.24/39,892.16
  6. Step 6: Final answer
    x = 31,914.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.