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Finding the Fourth Proportional to 52,963.64, 73,089.78 and 29,090.96

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Solution

The fourth proportional to 52,963.64, 73,089.78 and 29,090.96 is: 40,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,963.64 : 73,089.78 = 29,090.96 : x
  2. Step 2: Convert to fraction form
    52,963.64/73,089.78 = 29,090.96/x
  3. Step 3: Cross multiply
    52,963.64x = 73,089.78 × 29,090.96
  4. Step 4: Simplify right side
    52,963.64x = 2,126,251,866.39
  5. Step 5: Solve for x
    x = 2,126,251,866.39/52,963.64
  6. Step 6: Final answer
    x = 40,145.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.