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Finding the Fourth Proportional to 57,455.50, 86,005.02 and 31,094.86

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Solution

The fourth proportional to 57,455.50, 86,005.02 and 31,094.86 is: 46,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,455.50 : 86,005.02 = 31,094.86 : x
  2. Step 2: Convert to fraction form
    57,455.50/86,005.02 = 31,094.86/x
  3. Step 3: Cross multiply
    57,455.50x = 86,005.02 × 31,094.86
  4. Step 4: Simplify right side
    57,455.50x = 2,674,314,056.20
  5. Step 5: Solve for x
    x = 2,674,314,056.20/57,455.50
  6. Step 6: Final answer
    x = 46,545.83

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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.