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Finding the Fourth Proportional to 37,497.60, 56,246.40 and 25,687.80

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Solution

The fourth proportional to 37,497.60, 56,246.40 and 25,687.80 is: 38,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,497.60 : 56,246.40 = 25,687.80 : x
  2. Step 2: Convert to fraction form
    37,497.60/56,246.40 = 25,687.80/x
  3. Step 3: Cross multiply
    37,497.60x = 56,246.40 × 25,687.80
  4. Step 4: Simplify right side
    37,497.60x = 1,444,846,273.92
  5. Step 5: Solve for x
    x = 1,444,846,273.92/37,497.60
  6. Step 6: Final answer
    x = 38,531.70

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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.