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Finding the Fourth Proportional to 63,625.60, 95,535.60 and 43,991.20

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Solution

The fourth proportional to 63,625.60, 95,535.60 and 43,991.20 is: 66,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,625.60 : 95,535.60 = 43,991.20 : x
  2. Step 2: Convert to fraction form
    63,625.60/95,535.60 = 43,991.20/x
  3. Step 3: Cross multiply
    63,625.60x = 95,535.60 × 43,991.20
  4. Step 4: Simplify right side
    63,625.60x = 4,202,725,686.72
  5. Step 5: Solve for x
    x = 4,202,725,686.72/63,625.60
  6. Step 6: Final answer
    x = 66,054.00

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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.