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Finding the Fourth Proportional to 27,105.88, 37,401.19 and 15,619

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Solution

The fourth proportional to 27,105.88, 37,401.19 and 15,619 is: 21,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.88 : 37,401.19 = 15,619 : x
  2. Step 2: Convert to fraction form
    27,105.88/37,401.19 = 15,619/x
  3. Step 3: Cross multiply
    27,105.88x = 37,401.19 × 15,619
  4. Step 4: Simplify right side
    27,105.88x = 584,169,186.61
  5. Step 5: Solve for x
    x = 584,169,186.61/27,105.88
  6. Step 6: Final answer
    x = 21,551.38

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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.