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Finding the Fourth Proportional to 35,390.79, 48,839.26 and 19,475.24

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Solution

The fourth proportional to 35,390.79, 48,839.26 and 19,475.24 is: 26,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,390.79 : 48,839.26 = 19,475.24 : x
  2. Step 2: Convert to fraction form
    35,390.79/48,839.26 = 19,475.24/x
  3. Step 3: Cross multiply
    35,390.79x = 48,839.26 × 19,475.24
  4. Step 4: Simplify right side
    35,390.79x = 951,156,309.92
  5. Step 5: Solve for x
    x = 951,156,309.92/35,390.79
  6. Step 6: Final answer
    x = 26,875.81

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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.