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Finding the Fourth Proportional to 51,118.38, 70,562.61 and 29,904.48

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Solution

The fourth proportional to 51,118.38, 70,562.61 and 29,904.48 is: 41,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,118.38 : 70,562.61 = 29,904.48 : x
  2. Step 2: Convert to fraction form
    51,118.38/70,562.61 = 29,904.48/x
  3. Step 3: Cross multiply
    51,118.38x = 70,562.61 × 29,904.48
  4. Step 4: Simplify right side
    51,118.38x = 2,110,138,159.49
  5. Step 5: Solve for x
    x = 2,110,138,159.49/51,118.38
  6. Step 6: Final answer
    x = 41,279.44

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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.