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Finding the Fourth Proportional to 57,055.67, 78,710.31 and 36,919.04

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Solution

The fourth proportional to 57,055.67, 78,710.31 and 36,919.04 is: 50,931.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,055.67 : 78,710.31 = 36,919.04 : x
  2. Step 2: Convert to fraction form
    57,055.67/78,710.31 = 36,919.04/x
  3. Step 3: Cross multiply
    57,055.67x = 78,710.31 × 36,919.04
  4. Step 4: Simplify right side
    57,055.67x = 2,905,909,083.30
  5. Step 5: Solve for x
    x = 2,905,909,083.30/57,055.67
  6. Step 6: Final answer
    x = 50,931.12

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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.