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Finding the Fourth Proportional to 57,588.60, 86,285.70 and 27,942.60

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Solution

The fourth proportional to 57,588.60, 86,285.70 and 27,942.60 is: 41,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,588.60 : 86,285.70 = 27,942.60 : x
  2. Step 2: Convert to fraction form
    57,588.60/86,285.70 = 27,942.60/x
  3. Step 3: Cross multiply
    57,588.60x = 86,285.70 × 27,942.60
  4. Step 4: Simplify right side
    57,588.60x = 2,411,046,800.82
  5. Step 5: Solve for x
    x = 2,411,046,800.82/57,588.60
  6. Step 6: Final answer
    x = 41,866.74

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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.