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Finding the Fourth Proportional to 57,903.84, 86,905.56 and 32,993.91

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Solution

The fourth proportional to 57,903.84, 86,905.56 and 32,993.91 is: 49,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,903.84 : 86,905.56 = 32,993.91 : x
  2. Step 2: Convert to fraction form
    57,903.84/86,905.56 = 32,993.91/x
  3. Step 3: Cross multiply
    57,903.84x = 86,905.56 × 32,993.91
  4. Step 4: Simplify right side
    57,903.84x = 2,867,354,225.14
  5. Step 5: Solve for x
    x = 2,867,354,225.14/57,903.84
  6. Step 6: Final answer
    x = 49,519.24

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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.