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Finding the Fourth Proportional to 52,794.11, 72,849.11 and 42,066.20

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Solution

The fourth proportional to 52,794.11, 72,849.11 and 42,066.20 is: 58,045.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,794.11 : 72,849.11 = 42,066.20 : x
  2. Step 2: Convert to fraction form
    52,794.11/72,849.11 = 42,066.20/x
  3. Step 3: Cross multiply
    52,794.11x = 72,849.11 × 42,066.20
  4. Step 4: Simplify right side
    52,794.11x = 3,064,485,202.87
  5. Step 5: Solve for x
    x = 3,064,485,202.87/52,794.11
  6. Step 6: Final answer
    x = 58,045.96

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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.