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Finding the Fourth Proportional to 43,195.02, 64,788.16 and 11,600.98

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Solution

The fourth proportional to 43,195.02, 64,788.16 and 11,600.98 is: 17,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,195.02 : 64,788.16 = 11,600.98 : x
  2. Step 2: Convert to fraction form
    43,195.02/64,788.16 = 11,600.98/x
  3. Step 3: Cross multiply
    43,195.02x = 64,788.16 × 11,600.98
  4. Step 4: Simplify right side
    43,195.02x = 751,605,766.45
  5. Step 5: Solve for x
    x = 751,605,766.45/43,195.02
  6. Step 6: Final answer
    x = 17,400.29

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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.