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Finding the Fourth Proportional to 52,720.46, 79,472.83 and 49,292.34

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Solution

The fourth proportional to 52,720.46, 79,472.83 and 49,292.34 is: 74,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,720.46 : 79,472.83 = 49,292.34 : x
  2. Step 2: Convert to fraction form
    52,720.46/79,472.83 = 49,292.34/x
  3. Step 3: Cross multiply
    52,720.46x = 79,472.83 × 49,292.34
  4. Step 4: Simplify right side
    52,720.46x = 3,917,401,757.12
  5. Step 5: Solve for x
    x = 3,917,401,757.12/52,720.46
  6. Step 6: Final answer
    x = 74,305.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.