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Finding the Fourth Proportional to 42,241.64, 63,309.76 and 36,964.10

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Solution

The fourth proportional to 42,241.64, 63,309.76 and 36,964.10 is: 55,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,241.64 : 63,309.76 = 36,964.10 : x
  2. Step 2: Convert to fraction form
    42,241.64/63,309.76 = 36,964.10/x
  3. Step 3: Cross multiply
    42,241.64x = 63,309.76 × 36,964.10
  4. Step 4: Simplify right side
    42,241.64x = 2,340,188,365.48
  5. Step 5: Solve for x
    x = 2,340,188,365.48/42,241.64
  6. Step 6: Final answer
    x = 55,400.04

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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.