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Finding the Fourth Proportional to 27,347.63, 37,738.78 and 15,410.25

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Solution

The fourth proportional to 27,347.63, 37,738.78 and 15,410.25 is: 21,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,347.63 : 37,738.78 = 15,410.25 : x
  2. Step 2: Convert to fraction form
    27,347.63/37,738.78 = 15,410.25/x
  3. Step 3: Cross multiply
    27,347.63x = 37,738.78 × 15,410.25
  4. Step 4: Simplify right side
    27,347.63x = 581,563,995.97
  5. Step 5: Solve for x
    x = 581,563,995.97/27,347.63
  6. Step 6: Final answer
    x = 21,265.61

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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.