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Finding the Fourth Proportional to 26,885.49, 37,104.93 and 15,401.49

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Solution

The fourth proportional to 26,885.49, 37,104.93 and 15,401.49 is: 21,255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,885.49 : 37,104.93 = 15,401.49 : x
  2. Step 2: Convert to fraction form
    26,885.49/37,104.93 = 15,401.49/x
  3. Step 3: Cross multiply
    26,885.49x = 37,104.93 × 15,401.49
  4. Step 4: Simplify right side
    26,885.49x = 571,471,208.35
  5. Step 5: Solve for x
    x = 571,471,208.35/26,885.49
  6. Step 6: Final answer
    x = 21,255.75

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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.