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Finding the Fourth Proportional to 57,499.70, 86,314.35 and 44,410.10

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Solution

The fourth proportional to 57,499.70, 86,314.35 and 44,410.10 is: 66,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,499.70 : 86,314.35 = 44,410.10 : x
  2. Step 2: Convert to fraction form
    57,499.70/86,314.35 = 44,410.10/x
  3. Step 3: Cross multiply
    57,499.70x = 86,314.35 × 44,410.10
  4. Step 4: Simplify right side
    57,499.70x = 3,833,228,914.94
  5. Step 5: Solve for x
    x = 3,833,228,914.94/57,499.70
  6. Step 6: Final answer
    x = 66,665.20

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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.