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Finding the Fourth Proportional to 27,508.37, 37,962.49 and 15,409.37

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Solution

The fourth proportional to 27,508.37, 37,962.49 and 15,409.37 is: 21,265.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,508.37 : 37,962.49 = 15,409.37 : x
  2. Step 2: Convert to fraction form
    27,508.37/37,962.49 = 15,409.37/x
  3. Step 3: Cross multiply
    27,508.37x = 37,962.49 × 15,409.37
  4. Step 4: Simplify right side
    27,508.37x = 584,978,110.91
  5. Step 5: Solve for x
    x = 584,978,110.91/27,508.37
  6. Step 6: Final answer
    x = 21,265.46

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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.