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Finding the Fourth Proportional to 47,343.66, 65,428.29 and 38,832.54

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Solution

The fourth proportional to 47,343.66, 65,428.29 and 38,832.54 is: 53,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,343.66 : 65,428.29 = 38,832.54 : x
  2. Step 2: Convert to fraction form
    47,343.66/65,428.29 = 38,832.54/x
  3. Step 3: Cross multiply
    47,343.66x = 65,428.29 × 38,832.54
  4. Step 4: Simplify right side
    47,343.66x = 2,540,746,688.56
  5. Step 5: Solve for x
    x = 2,540,746,688.56/47,343.66
  6. Step 6: Final answer
    x = 53,666.04

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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.