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Finding the Fourth Proportional to 43,409.96, 64,937.30 and 32,801.12

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Solution

The fourth proportional to 43,409.96, 64,937.30 and 32,801.12 is: 49,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,409.96 : 64,937.30 = 32,801.12 : x
  2. Step 2: Convert to fraction form
    43,409.96/64,937.30 = 32,801.12/x
  3. Step 3: Cross multiply
    43,409.96x = 64,937.30 × 32,801.12
  4. Step 4: Simplify right side
    43,409.96x = 2,130,015,845.09
  5. Step 5: Solve for x
    x = 2,130,015,845.09/43,409.96
  6. Step 6: Final answer
    x = 49,067.45

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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.