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Finding the Fourth Proportional to 45,710.87, 68,400.02 and 37,739.25

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Solution

The fourth proportional to 45,710.87, 68,400.02 and 37,739.25 is: 56,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,710.87 : 68,400.02 = 37,739.25 : x
  2. Step 2: Convert to fraction form
    45,710.87/68,400.02 = 37,739.25/x
  3. Step 3: Cross multiply
    45,710.87x = 68,400.02 × 37,739.25
  4. Step 4: Simplify right side
    45,710.87x = 2,581,365,266.09
  5. Step 5: Solve for x
    x = 2,581,365,266.09/45,710.87
  6. Step 6: Final answer
    x = 56,471.59

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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.