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Finding the Fourth Proportional to 57,588.57, 86,394.60 and 32,639.76

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Solution

The fourth proportional to 57,588.57, 86,394.60 and 32,639.76 is: 48,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,588.57 : 86,394.60 = 32,639.76 : x
  2. Step 2: Convert to fraction form
    57,588.57/86,394.60 = 32,639.76/x
  3. Step 3: Cross multiply
    57,588.57x = 86,394.60 × 32,639.76
  4. Step 4: Simplify right side
    57,588.57x = 2,819,899,009.30
  5. Step 5: Solve for x
    x = 2,819,899,009.30/57,588.57
  6. Step 6: Final answer
    x = 48,966.30

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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.