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Finding the Fourth Proportional to 59,887.92, 89,840.08 and 20,434.44

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Solution

The fourth proportional to 59,887.92, 89,840.08 and 20,434.44 is: 30,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,887.92 : 89,840.08 = 20,434.44 : x
  2. Step 2: Convert to fraction form
    59,887.92/89,840.08 = 20,434.44/x
  3. Step 3: Cross multiply
    59,887.92x = 89,840.08 × 20,434.44
  4. Step 4: Simplify right side
    59,887.92x = 1,835,831,724.36
  5. Step 5: Solve for x
    x = 1,835,831,724.36/59,887.92
  6. Step 6: Final answer
    x = 30,654.46

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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.