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Finding the Fourth Proportional to 53,579.00, 80,360.60 and 14,138.88

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Solution

The fourth proportional to 53,579.00, 80,360.60 and 14,138.88 is: 21,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,579.00 : 80,360.60 = 14,138.88 : x
  2. Step 2: Convert to fraction form
    53,579.00/80,360.60 = 14,138.88/x
  3. Step 3: Cross multiply
    53,579.00x = 80,360.60 × 14,138.88
  4. Step 4: Simplify right side
    53,579.00x = 1,136,208,809.43
  5. Step 5: Solve for x
    x = 1,136,208,809.43/53,579.00
  6. Step 6: Final answer
    x = 21,206.24

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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.