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Finding the Fourth Proportional to 57,497.70, 86,250.20 and 18,056.37

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Solution

The fourth proportional to 57,497.70, 86,250.20 and 18,056.37 is: 27,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,497.70 : 86,250.20 = 18,056.37 : x
  2. Step 2: Convert to fraction form
    57,497.70/86,250.20 = 18,056.37/x
  3. Step 3: Cross multiply
    57,497.70x = 86,250.20 × 18,056.37
  4. Step 4: Simplify right side
    57,497.70x = 1,557,365,568.91
  5. Step 5: Solve for x
    x = 1,557,365,568.91/57,497.70
  6. Step 6: Final answer
    x = 27,085.70

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1.5x scale

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.