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Finding the Fourth Proportional to 43,274.94, 64,799.16 and 34,796.40

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Solution

The fourth proportional to 43,274.94, 64,799.16 and 34,796.40 is: 52,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,274.94 : 64,799.16 = 34,796.40 : x
  2. Step 2: Convert to fraction form
    43,274.94/64,799.16 = 34,796.40/x
  3. Step 3: Cross multiply
    43,274.94x = 64,799.16 × 34,796.40
  4. Step 4: Simplify right side
    43,274.94x = 2,254,777,491.02
  5. Step 5: Solve for x
    x = 2,254,777,491.02/43,274.94
  6. Step 6: Final answer
    x = 52,103.54

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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.