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Finding the Fourth Proportional to 35,318.31, 48,737.75 and 19,402.43

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Solution

The fourth proportional to 35,318.31, 48,737.75 and 19,402.43 is: 26,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.31 : 48,737.75 = 19,402.43 : x
  2. Step 2: Convert to fraction form
    35,318.31/48,737.75 = 19,402.43/x
  3. Step 3: Cross multiply
    35,318.31x = 48,737.75 × 19,402.43
  4. Step 4: Simplify right side
    35,318.31x = 945,630,442.03
  5. Step 5: Solve for x
    x = 945,630,442.03/35,318.31
  6. Step 6: Final answer
    x = 26,774.51

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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.