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Finding the Fourth Proportional to 43,305.03, 64,964.36 and 16,649.96

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Solution

The fourth proportional to 43,305.03, 64,964.36 and 16,649.96 is: 24,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,305.03 : 64,964.36 = 16,649.96 : x
  2. Step 2: Convert to fraction form
    43,305.03/64,964.36 = 16,649.96/x
  3. Step 3: Cross multiply
    43,305.03x = 64,964.36 × 16,649.96
  4. Step 4: Simplify right side
    43,305.03x = 1,081,653,712.23
  5. Step 5: Solve for x
    x = 1,081,653,712.23/43,305.03
  6. Step 6: Final answer
    x = 24,977.55

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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.