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Finding the Fourth Proportional to 49,659.70, 68,530.65 and 29,242.65

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Solution

The fourth proportional to 49,659.70, 68,530.65 and 29,242.65 is: 40,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,659.70 : 68,530.65 = 29,242.65 : x
  2. Step 2: Convert to fraction form
    49,659.70/68,530.65 = 29,242.65/x
  3. Step 3: Cross multiply
    49,659.70x = 68,530.65 × 29,242.65
  4. Step 4: Simplify right side
    49,659.70x = 2,004,017,664.89
  5. Step 5: Solve for x
    x = 2,004,017,664.89/49,659.70
  6. Step 6: Final answer
    x = 40,355.01

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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.