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Finding the Fourth Proportional to 57,958.36, 86,919.08 and 29,874.84

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Solution

The fourth proportional to 57,958.36, 86,919.08 and 29,874.84 is: 44,802.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,958.36 : 86,919.08 = 29,874.84 : x
  2. Step 2: Convert to fraction form
    57,958.36/86,919.08 = 29,874.84/x
  3. Step 3: Cross multiply
    57,958.36x = 86,919.08 × 29,874.84
  4. Step 4: Simplify right side
    57,958.36x = 2,596,693,607.95
  5. Step 5: Solve for x
    x = 2,596,693,607.95/57,958.36
  6. Step 6: Final answer
    x = 44,802.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.