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Finding the Fourth Proportional to 39,409.92, 59,137.92 and 39,093.12

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Solution

The fourth proportional to 39,409.92, 59,137.92 and 39,093.12 is: 58,662.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.92 : 59,137.92 = 39,093.12 : x
  2. Step 2: Convert to fraction form
    39,409.92/59,137.92 = 39,093.12/x
  3. Step 3: Cross multiply
    39,409.92x = 59,137.92 × 39,093.12
  4. Step 4: Simplify right side
    39,409.92x = 2,311,885,803.11
  5. Step 5: Solve for x
    x = 2,311,885,803.11/39,409.92
  6. Step 6: Final answer
    x = 58,662.53

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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.