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Finding the Fourth Proportional to 49,996.98, 69,001.92 and 28,775.79

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Solution

The fourth proportional to 49,996.98, 69,001.92 and 28,775.79 is: 39,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,996.98 : 69,001.92 = 28,775.79 : x
  2. Step 2: Convert to fraction form
    49,996.98/69,001.92 = 28,775.79/x
  3. Step 3: Cross multiply
    49,996.98x = 69,001.92 × 28,775.79
  4. Step 4: Simplify right side
    49,996.98x = 1,985,584,759.52
  5. Step 5: Solve for x
    x = 1,985,584,759.52/49,996.98
  6. Step 6: Final answer
    x = 39,714.09

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1.5x scale

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.