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Finding the Fourth Proportional to 27,126, 37,430.73 and 15,797.97

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Solution

The fourth proportional to 27,126, 37,430.73 and 15,797.97 is: 21,799.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126 : 37,430.73 = 15,797.97 : x
  2. Step 2: Convert to fraction form
    27,126/37,430.73 = 15,797.97/x
  3. Step 3: Cross multiply
    27,126x = 37,430.73 × 15,797.97
  4. Step 4: Simplify right side
    27,126x = 591,329,549.62
  5. Step 5: Solve for x
    x = 591,329,549.62/27,126
  6. Step 6: Final answer
    x = 21,799.36

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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.