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Finding the Fourth Proportional to 48,955, 67,557.90 and 29,083

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Solution

The fourth proportional to 48,955, 67,557.90 and 29,083 is: 40,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,955 : 67,557.90 = 29,083 : x
  2. Step 2: Convert to fraction form
    48,955/67,557.90 = 29,083/x
  3. Step 3: Cross multiply
    48,955x = 67,557.90 × 29,083
  4. Step 4: Simplify right side
    48,955x = 1,964,786,405.70
  5. Step 5: Solve for x
    x = 1,964,786,405.70/48,955
  6. Step 6: Final answer
    x = 40,134.54

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Why These Related Problems?

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