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Finding the Fourth Proportional to 47,728.36, 65,863.29 and 26,508.97

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Solution

The fourth proportional to 47,728.36, 65,863.29 and 26,508.97 is: 36,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,728.36 : 65,863.29 = 26,508.97 : x
  2. Step 2: Convert to fraction form
    47,728.36/65,863.29 = 26,508.97/x
  3. Step 3: Cross multiply
    47,728.36x = 65,863.29 × 26,508.97
  4. Step 4: Simplify right side
    47,728.36x = 1,745,967,978.71
  5. Step 5: Solve for x
    x = 1,745,967,978.71/47,728.36
  6. Step 6: Final answer
    x = 36,581.35

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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.