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Finding the Fourth Proportional to 49,758.66, 68,662.80 and 29,337.48

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Solution

The fourth proportional to 49,758.66, 68,662.80 and 29,337.48 is: 40,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,758.66 : 68,662.80 = 29,337.48 : x
  2. Step 2: Convert to fraction form
    49,758.66/68,662.80 = 29,337.48/x
  3. Step 3: Cross multiply
    49,758.66x = 68,662.80 × 29,337.48
  4. Step 4: Simplify right side
    49,758.66x = 2,014,393,521.74
  5. Step 5: Solve for x
    x = 2,014,393,521.74/49,758.66
  6. Step 6: Final answer
    x = 40,483.28

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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.