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Finding the Fourth Proportional to 27,173.69, 37,499.69 and 15,237.03

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Solution

The fourth proportional to 27,173.69, 37,499.69 and 15,237.03 is: 21,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.69 : 37,499.69 = 15,237.03 : x
  2. Step 2: Convert to fraction form
    27,173.69/37,499.69 = 15,237.03/x
  3. Step 3: Cross multiply
    27,173.69x = 37,499.69 × 15,237.03
  4. Step 4: Simplify right side
    27,173.69x = 571,383,714.02
  5. Step 5: Solve for x
    x = 571,383,714.02/27,173.69
  6. Step 6: Final answer
    x = 21,027.09

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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.