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Finding the Fourth Proportional to 64,381.92, 88,847.73 and 36,087

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Solution

The fourth proportional to 64,381.92, 88,847.73 and 36,087 is: 49,800.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,381.92 : 88,847.73 = 36,087 : x
  2. Step 2: Convert to fraction form
    64,381.92/88,847.73 = 36,087/x
  3. Step 3: Cross multiply
    64,381.92x = 88,847.73 × 36,087
  4. Step 4: Simplify right side
    64,381.92x = 3,206,248,032.51
  5. Step 5: Solve for x
    x = 3,206,248,032.51/64,381.92
  6. Step 6: Final answer
    x = 49,800.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.