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Finding the Fourth Proportional to 46,758.88, 70,161.78 and 21,800.88

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Solution

The fourth proportional to 46,758.88, 70,161.78 and 21,800.88 is: 32,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,758.88 : 70,161.78 = 21,800.88 : x
  2. Step 2: Convert to fraction form
    46,758.88/70,161.78 = 21,800.88/x
  3. Step 3: Cross multiply
    46,758.88x = 70,161.78 × 21,800.88
  4. Step 4: Simplify right side
    46,758.88x = 1,529,588,546.37
  5. Step 5: Solve for x
    x = 1,529,588,546.37/46,758.88
  6. Step 6: Final answer
    x = 32,712.26

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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.