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Finding the Fourth Proportional to 57,808.08, 86,711.67 and 29,736

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Solution

The fourth proportional to 57,808.08, 86,711.67 and 29,736 is: 44,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,808.08 : 86,711.67 = 29,736 : x
  2. Step 2: Convert to fraction form
    57,808.08/86,711.67 = 29,736/x
  3. Step 3: Cross multiply
    57,808.08x = 86,711.67 × 29,736
  4. Step 4: Simplify right side
    57,808.08x = 2,578,458,219.12
  5. Step 5: Solve for x
    x = 2,578,458,219.12/57,808.08
  6. Step 6: Final answer
    x = 44,603.77

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